"concave" meaning in English

See concave in All languages combined, or Wiktionary

Adjective

IPA: /ˈkɒn.keɪv/ [UK], /kɒnˈkeɪv/ [UK], /ˈkɑn.keɪv/ [US], /kɑnˈkeɪv/ [US], /kənˈkeɪv/ [US] Audio: en-us-concave.ogg [US] Forms: more concave [comparative], most concave [superlative]
Etymology: From Middle English concave, from Old French concave, from Latin concavus. Etymology templates: {{root|en|ine-pro|*ḱewh₁-}} [Template:root], {{inh|en|enm|concave}} Middle English concave, {{der|en|fro|concave}} Old French concave, {{der|en|la|concavus}} Latin concavus Head templates: {{en-adj}} concave (comparative more concave, superlative most concave)
  1. Curved like the inner surface of a sphere or bowl. Translations (curved inward): مُقَعَّر (muqaʕʕar) (Arabic), مُجَوَّف (mujawwaf) (Arabic), գոգավոր (gogavor) (Armenian), cóncavu (Asturian), অবতল (obotol) (Bengali), вдлъбнат (vdlǎbnat) (Bulgarian), còncau (Catalan), (āo) (Chinese Mandarin), kowgrom (Cornish), vydutý (Czech), konkávní (Czech), konkav (Danish), hol (Dutch), kava (Esperanto), nõgus (Estonian), innskaraður (Faroese), innhjólaður (Faroese), kovera (Finnish), konkaavi (Finnish), concave (French), cóncavo (Galician), konkav (German), nach innen gewölbt (German), eingewölbt (German), κοίλος (koílos) (Greek), ʻeʻele (Hawaiian), homorú (Hungarian), konkáv (Hungarian), íhvolfur (Icelandic), concavo (Italian), 凹面 (ōmen) (alt: おうめん) (Japanese), ойыс (oiys) (Kazakh), 요면 (yomyeon) (Korean), concavus (Latin), areare (Maori), konkav (Norwegian Bokmål), konkav (Norwegian Nynorsk), کاو (kâv) (Persian), wklęsły (Polish), côncavo (Portuguese), concav (Romanian), во́гнутый (vógnutyj) (Russian), dutý (Slovak), vydutý (Slovak), konkávny (Slovak), cóncavo (Spanish), konkav (Swedish), malukong (Tagalog), เว้า (wáo) (Thai), konkav (Turkish), içbükey (Turkish), ceugrwm [masculine] (Welsh), ceugrom [feminine] (Welsh)
    Sense id: en-concave-en-adj-uglf6qWK Disambiguation of 'curved inward': 47 18 11 24
  2. (geometry, not comparable, of a polygon) Not convex; having at least one internal angle greater than 180 degrees. Tags: not-comparable, of a polygon Categories (topical): Geometry
    Sense id: en-concave-en-adj-iEEZfdEF Categories (other): English entries with incorrect language header Disambiguation of English entries with incorrect language header: 11 46 27 16 Topics: geometry, mathematics, sciences
  3. (functional analysis, not comparable, of a real-valued function on the reals) Satisfying the property that all segments connecting two points on the function's graph lie below the function. Tags: not-comparable, of a real-valued function on the reals Categories (topical): Functional analysis
    Sense id: en-concave-en-adj-QQAX9qUL
  4. Hollow; empty.
    Sense id: en-concave-en-adj-vYoAcENp
The following are not (yet) sense-disambiguated
Derived forms: concave envelope, concave function, concavely, concaveness, concavity, double concave

Noun

IPA: /ˈkɒn.keɪv/ [UK], /kɒnˈkeɪv/ [UK], /ˈkɑn.keɪv/ [US], /kɑnˈkeɪv/ [US], /kənˈkeɪv/ [US] Audio: en-us-concave.ogg [US] Forms: concaves [plural]
Etymology: From Middle English concave, from Old French concave, from Latin concavus. Etymology templates: {{root|en|ine-pro|*ḱewh₁-}} [Template:root], {{inh|en|enm|concave}} Middle English concave, {{der|en|fro|concave}} Old French concave, {{der|en|la|concavus}} Latin concavus Head templates: {{en-noun}} concave (plural concaves)
  1. A concave surface or curve. Translations (A concave surface or curve): вдлъбнатина (vdlǎbnatina) (Bulgarian), rûçal (Northern Kurdish), невы́пуклый (nevýpuklyj) (Russian), รูปร่างที่นูน (Thai)
    Sense id: en-concave-en-noun-z7nb0FNG Disambiguation of 'A concave surface or curve': 99 0 0 1 0 0 0
  2. The vault of the sky.
    Sense id: en-concave-en-noun-gopGn1~q
  3. One of the celestial spheres of the Ptolemaic or geocentric model of the world.
    Sense id: en-concave-en-noun-QKvSXANQ
  4. (manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting. Categories (topical): Manufacturing
    Sense id: en-concave-en-noun-cB5PQ~OL Topics: business, manufacturing
  5. (surfing) An indentation running along the base of a surfboard, intended to increase lift. Categories (topical): Surfing
    Sense id: en-concave-en-noun-4jy0rFSO Topics: hobbies, lifestyle, sports, surfing
  6. (skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength. Categories (topical): Skateboarding
    Sense id: en-concave-en-noun-KVtU6Snb Topics: hobbies, lifestyle, skateboarding, sports
  7. (gambling) A playing card made concave for use in cheating. Categories (topical): Gambling
    Sense id: en-concave-en-noun-XeIM2dFO Topics: gambling, games

Verb

IPA: /ˈkɒn.keɪv/ [UK], /kɒnˈkeɪv/ [UK], /ˈkɑn.keɪv/ [US], /kɑnˈkeɪv/ [US], /kənˈkeɪv/ [US] Audio: en-us-concave.ogg [US] Forms: concaves [present, singular, third-person], concaving [participle, present], concaved [participle, past], concaved [past]
Etymology: From Middle English concave, from Old French concave, from Latin concavus. Etymology templates: {{root|en|ine-pro|*ḱewh₁-}} [Template:root], {{inh|en|enm|concave}} Middle English concave, {{der|en|fro|concave}} Old French concave, {{der|en|la|concavus}} Latin concavus Head templates: {{en-verb}} concave (third-person singular simple present concaves, present participle concaving, simple past and past participle concaved)
  1. To render concave, or increase the degree of concavity. Derived forms: concaver Translations (To render concave, or increase the degree of concavity.): вдлъбвам (vdlǎbvam) (Bulgarian)
    Sense id: en-concave-en-verb-bDZh8snV

Inflected forms

Download JSON data for concave meaning in English (16.3kB)

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          "_dis1": "47 18 11 24",
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          "lang": "Arabic",
          "roman": "muqaʕʕar",
          "sense": "curved inward",
          "word": "مُقَعَّر"
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          "_dis1": "47 18 11 24",
          "code": "ar",
          "lang": "Arabic",
          "roman": "mujawwaf",
          "sense": "curved inward",
          "word": "مُجَوَّف"
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          "_dis1": "47 18 11 24",
          "code": "hy",
          "lang": "Armenian",
          "roman": "gogavor",
          "sense": "curved inward",
          "word": "գոգավոր"
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        {
          "_dis1": "47 18 11 24",
          "code": "ast",
          "lang": "Asturian",
          "sense": "curved inward",
          "word": "cóncavu"
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        {
          "_dis1": "47 18 11 24",
          "code": "bn",
          "lang": "Bengali",
          "roman": "obotol",
          "sense": "curved inward",
          "word": "অবতল"
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          "_dis1": "47 18 11 24",
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "vdlǎbnat",
          "sense": "curved inward",
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        {
          "_dis1": "47 18 11 24",
          "code": "ca",
          "lang": "Catalan",
          "sense": "curved inward",
          "word": "còncau"
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        {
          "_dis1": "47 18 11 24",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "āo",
          "sense": "curved inward",
          "word": "凹"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "kw",
          "lang": "Cornish",
          "sense": "curved inward",
          "word": "kowgrom"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "cs",
          "lang": "Czech",
          "sense": "curved inward",
          "word": "vydutý"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "cs",
          "lang": "Czech",
          "sense": "curved inward",
          "word": "konkávní"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "da",
          "lang": "Danish",
          "sense": "curved inward",
          "word": "konkav"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "nl",
          "lang": "Dutch",
          "sense": "curved inward",
          "word": "hol"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "eo",
          "lang": "Esperanto",
          "sense": "curved inward",
          "word": "kava"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "et",
          "lang": "Estonian",
          "sense": "curved inward",
          "word": "nõgus"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "fo",
          "lang": "Faroese",
          "sense": "curved inward",
          "word": "innskaraður"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "fo",
          "lang": "Faroese",
          "sense": "curved inward",
          "word": "innhjólaður"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "fi",
          "lang": "Finnish",
          "sense": "curved inward",
          "word": "kovera"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "fi",
          "lang": "Finnish",
          "sense": "curved inward",
          "word": "konkaavi"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "fr",
          "lang": "French",
          "sense": "curved inward",
          "word": "concave"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "gl",
          "lang": "Galician",
          "sense": "curved inward",
          "word": "cóncavo"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "de",
          "lang": "German",
          "sense": "curved inward",
          "word": "konkav"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "de",
          "lang": "German",
          "sense": "curved inward",
          "word": "nach innen gewölbt"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "de",
          "lang": "German",
          "sense": "curved inward",
          "word": "eingewölbt"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "el",
          "lang": "Greek",
          "roman": "koílos",
          "sense": "curved inward",
          "word": "κοίλος"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "haw",
          "lang": "Hawaiian",
          "sense": "curved inward",
          "word": "ʻeʻele"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "hu",
          "lang": "Hungarian",
          "sense": "curved inward",
          "word": "homorú"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "hu",
          "lang": "Hungarian",
          "sense": "curved inward",
          "word": "konkáv"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "is",
          "lang": "Icelandic",
          "sense": "curved inward",
          "word": "íhvolfur"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "it",
          "lang": "Italian",
          "sense": "curved inward",
          "word": "concavo"
        },
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          "_dis1": "47 18 11 24",
          "alt": "おうめん",
          "code": "ja",
          "lang": "Japanese",
          "roman": "ōmen",
          "sense": "curved inward",
          "word": "凹面"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "kk",
          "lang": "Kazakh",
          "roman": "oiys",
          "sense": "curved inward",
          "word": "ойыс"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "ko",
          "lang": "Korean",
          "roman": "yomyeon",
          "sense": "curved inward",
          "word": "요면"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "la",
          "lang": "Latin",
          "sense": "curved inward",
          "word": "concavus"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "mi",
          "lang": "Maori",
          "sense": "curved inward",
          "word": "areare"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "curved inward",
          "word": "konkav"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "curved inward",
          "word": "konkav"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "fa",
          "lang": "Persian",
          "roman": "kâv",
          "sense": "curved inward",
          "word": "کاو"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "pl",
          "lang": "Polish",
          "sense": "curved inward",
          "word": "wklęsły"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "pt",
          "lang": "Portuguese",
          "sense": "curved inward",
          "word": "côncavo"
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        {
          "_dis1": "47 18 11 24",
          "code": "ro",
          "lang": "Romanian",
          "sense": "curved inward",
          "word": "concav"
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        {
          "_dis1": "47 18 11 24",
          "code": "ru",
          "lang": "Russian",
          "roman": "vógnutyj",
          "sense": "curved inward",
          "word": "во́гнутый"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "sk",
          "lang": "Slovak",
          "sense": "curved inward",
          "word": "dutý"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "sk",
          "lang": "Slovak",
          "sense": "curved inward",
          "word": "vydutý"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "sk",
          "lang": "Slovak",
          "sense": "curved inward",
          "word": "konkávny"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "es",
          "lang": "Spanish",
          "sense": "curved inward",
          "word": "cóncavo"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "sv",
          "lang": "Swedish",
          "sense": "curved inward",
          "word": "konkav"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "tl",
          "lang": "Tagalog",
          "sense": "curved inward",
          "word": "malukong"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "th",
          "lang": "Thai",
          "roman": "wáo",
          "sense": "curved inward",
          "word": "เว้า"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "tr",
          "lang": "Turkish",
          "sense": "curved inward",
          "word": "konkav"
        },
        {
          "_dis1": "47 18 11 24",
          "code": "tr",
          "lang": "Turkish",
          "sense": "curved inward",
          "word": "içbükey"
        },
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          "_dis1": "47 18 11 24",
          "code": "cy",
          "lang": "Welsh",
          "sense": "curved inward",
          "tags": [
            "masculine"
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          "word": "ceugrwm"
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          "sense": "curved inward",
          "tags": [
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      "glosses": [
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      "id": "en-concave-en-adj-iEEZfdEF",
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        "(geometry, not comparable, of a polygon) Not convex; having at least one internal angle greater than 180 degrees."
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        "not-comparable",
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      "glosses": [
        "Satisfying the property that all segments connecting two points on the function's graph lie below the function."
      ],
      "id": "en-concave-en-adj-QQAX9qUL",
      "links": [
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      ]
    },
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      ],
      "id": "en-concave-en-adj-vYoAcENp",
      "links": [
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          "Hollow",
          "hollow"
        ],
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          "empty",
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  "sounds": [
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      "ipa": "/ˈkɒn.keɪv/",
      "tags": [
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    },
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      "ipa": "/kɒnˈkeɪv/",
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    {
      "ipa": "/kɑnˈkeɪv/",
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        "US"
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    },
    {
      "ipa": "/kənˈkeɪv/",
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  "wikipedia": [
    "concave"
  ],
  "word": "concave"
}

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        "2": "fro",
        "3": "concave"
      },
      "expansion": "Old French concave",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "concavus"
      },
      "expansion": "Latin concavus",
      "name": "der"
    }
  ],
  "etymology_text": "From Middle English concave, from Old French concave, from Latin concavus.",
  "forms": [
    {
      "form": "concaves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "concave (plural concaves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A concave surface or curve."
      ],
      "id": "en-concave-en-noun-z7nb0FNG",
      "links": [
        [
          "concave",
          "#Adjective"
        ]
      ],
      "translations": [
        {
          "_dis1": "99 0 0 1 0 0 0",
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "vdlǎbnatina",
          "sense": "A concave surface or curve",
          "word": "вдлъбнатина"
        },
        {
          "_dis1": "99 0 0 1 0 0 0",
          "code": "kmr",
          "lang": "Northern Kurdish",
          "sense": "A concave surface or curve",
          "word": "rûçal"
        },
        {
          "_dis1": "99 0 0 1 0 0 0",
          "code": "ru",
          "lang": "Russian",
          "roman": "nevýpuklyj",
          "sense": "A concave surface or curve",
          "word": "невы́пуклый"
        },
        {
          "_dis1": "99 0 0 1 0 0 0",
          "code": "th",
          "lang": "Thai",
          "sense": "A concave surface or curve",
          "word": "รูปร่างที่นูน"
        }
      ]
    },
    {
      "glosses": [
        "The vault of the sky."
      ],
      "id": "en-concave-en-noun-gopGn1~q"
    },
    {
      "examples": [
        {
          "text": "Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661)."
        }
      ],
      "glosses": [
        "One of the celestial spheres of the Ptolemaic or geocentric model of the world."
      ],
      "id": "en-concave-en-noun-QKvSXANQ",
      "links": [
        [
          "spheres",
          "sphere"
        ],
        [
          "Ptolemaic",
          "Ptolemaic"
        ],
        [
          "geocentric",
          "geocentric"
        ]
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Manufacturing",
          "orig": "en:Manufacturing",
          "parents": [
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting."
      ],
      "id": "en-concave-en-noun-cB5PQ~OL",
      "links": [
        [
          "manufacturing",
          "manufacturing#Noun"
        ],
        [
          "mining",
          "mining"
        ],
        [
          "harvesting",
          "harvesting"
        ]
      ],
      "raw_glosses": [
        "(manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting."
      ],
      "topics": [
        "business",
        "manufacturing"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Surfing",
          "orig": "en:Surfing",
          "parents": [
            "Water sports",
            "Sports",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An indentation running along the base of a surfboard, intended to increase lift."
      ],
      "id": "en-concave-en-noun-4jy0rFSO",
      "links": [
        [
          "surfing",
          "surfing#Noun"
        ],
        [
          "surfboard",
          "surfboard"
        ],
        [
          "lift",
          "lift"
        ]
      ],
      "raw_glosses": [
        "(surfing) An indentation running along the base of a surfboard, intended to increase lift."
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "sports",
        "surfing"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Skateboarding",
          "orig": "en:Skateboarding",
          "parents": [
            "Board sports",
            "Sports",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength."
      ],
      "id": "en-concave-en-noun-KVtU6Snb",
      "links": [
        [
          "skateboarding",
          "skateboarding#Noun"
        ],
        [
          "skateboard",
          "skateboard"
        ]
      ],
      "raw_glosses": [
        "(skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength."
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "skateboarding",
        "sports"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Gambling",
          "orig": "en:Gambling",
          "parents": [
            "Games",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Coordinate term: convex"
        }
      ],
      "glosses": [
        "A playing card made concave for use in cheating."
      ],
      "id": "en-concave-en-noun-XeIM2dFO",
      "links": [
        [
          "gambling",
          "gambling#Noun"
        ],
        [
          "playing card",
          "playing card"
        ],
        [
          "cheat",
          "cheat"
        ]
      ],
      "raw_glosses": [
        "(gambling) A playing card made concave for use in cheating."
      ],
      "topics": [
        "gambling",
        "games"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkɒn.keɪv/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/kɒnˈkeɪv/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˈkɑn.keɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/kɑnˈkeɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/kənˈkeɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "en-us-concave.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/13/En-us-concave.ogg/En-us-concave.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/13/En-us-concave.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "wikipedia": [
    "concave"
  ],
  "word": "concave"
}

{
  "categories": [],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*ḱewh₁-"
      },
      "expansion": "[Template:root]",
      "name": "root"
    },
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "concave"
      },
      "expansion": "Middle English concave",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "fro",
        "3": "concave"
      },
      "expansion": "Old French concave",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "concavus"
      },
      "expansion": "Latin concavus",
      "name": "der"
    }
  ],
  "etymology_text": "From Middle English concave, from Old French concave, from Latin concavus.",
  "forms": [
    {
      "form": "concaves",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "concaving",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "concaved",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "concaved",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "concave (third-person singular simple present concaves, present participle concaving, simple past and past participle concaved)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "derived": [
        {
          "word": "concaver"
        }
      ],
      "glosses": [
        "To render concave, or increase the degree of concavity."
      ],
      "id": "en-concave-en-verb-bDZh8snV",
      "links": [
        [
          "concave",
          "#Adjective"
        ],
        [
          "concavity",
          "concavity"
        ]
      ],
      "translations": [
        {
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "vdlǎbvam",
          "sense": "To render concave, or increase the degree of concavity.",
          "word": "вдлъбвам"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkɒn.keɪv/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/kɒnˈkeɪv/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˈkɑn.keɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/kɑnˈkeɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/kənˈkeɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "en-us-concave.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/13/En-us-concave.ogg/En-us-concave.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/13/En-us-concave.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "wikipedia": [
    "concave"
  ],
  "word": "concave"
}
{
  "antonyms": [
    {
      "word": "convex"
    }
  ],
  "categories": [
    "English 2-syllable words",
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms derived from Latin",
    "English terms derived from Middle English",
    "English terms derived from Old French",
    "English terms derived from Proto-Indo-European",
    "English terms derived from the Proto-Indo-European root *ḱewh₁-",
    "English terms inherited from Middle English",
    "English terms with IPA pronunciation",
    "English terms with audio links",
    "English verbs"
  ],
  "derived": [
    {
      "word": "concave envelope"
    },
    {
      "word": "concave function"
    },
    {
      "word": "concavely"
    },
    {
      "word": "concaveness"
    },
    {
      "word": "concavity"
    },
    {
      "word": "double concave"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*ḱewh₁-"
      },
      "expansion": "[Template:root]",
      "name": "root"
    },
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "concave"
      },
      "expansion": "Middle English concave",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "fro",
        "3": "concave"
      },
      "expansion": "Old French concave",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "concavus"
      },
      "expansion": "Latin concavus",
      "name": "der"
    }
  ],
  "etymology_text": "From Middle English concave, from Old French concave, from Latin concavus.",
  "forms": [
    {
      "form": "more concave",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most concave",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "concave (comparative more concave, superlative most concave)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "Curved like the inner surface of a sphere or bowl."
      ],
      "links": [
        [
          "Curved",
          "curved"
        ],
        [
          "inner",
          "inner"
        ],
        [
          "sphere",
          "sphere"
        ]
      ]
    },
    {
      "categories": [
        "en:Geometry"
      ],
      "glosses": [
        "Not convex; having at least one internal angle greater than 180 degrees."
      ],
      "links": [
        [
          "geometry",
          "geometry"
        ],
        [
          "polygon",
          "polygon"
        ],
        [
          "convex",
          "convex"
        ]
      ],
      "raw_glosses": [
        "(geometry, not comparable, of a polygon) Not convex; having at least one internal angle greater than 180 degrees."
      ],
      "tags": [
        "not-comparable",
        "of a polygon"
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        "en:Functional analysis"
      ],
      "glosses": [
        "Satisfying the property that all segments connecting two points on the function's graph lie below the function."
      ],
      "links": [
        [
          "functional analysis",
          "functional analysis"
        ],
        [
          "real-valued",
          "real-valued"
        ],
        [
          "function",
          "function"
        ],
        [
          "real",
          "real"
        ]
      ],
      "qualifier": "functional analysis",
      "raw_glosses": [
        "(functional analysis, not comparable, of a real-valued function on the reals) Satisfying the property that all segments connecting two points on the function's graph lie below the function."
      ],
      "tags": [
        "not-comparable",
        "of a real-valued function on the reals"
      ]
    },
    {
      "glosses": [
        "Hollow; empty."
      ],
      "links": [
        [
          "Hollow",
          "hollow"
        ],
        [
          "empty",
          "empty"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkɒn.keɪv/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/kɒnˈkeɪv/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˈkɑn.keɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/kɑnˈkeɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/kənˈkeɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "en-us-concave.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/13/En-us-concave.ogg/En-us-concave.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/13/En-us-concave.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "translations": [
    {
      "code": "ar",
      "lang": "Arabic",
      "roman": "muqaʕʕar",
      "sense": "curved inward",
      "word": "مُقَعَّر"
    },
    {
      "code": "ar",
      "lang": "Arabic",
      "roman": "mujawwaf",
      "sense": "curved inward",
      "word": "مُجَوَّف"
    },
    {
      "code": "hy",
      "lang": "Armenian",
      "roman": "gogavor",
      "sense": "curved inward",
      "word": "գոգավոր"
    },
    {
      "code": "ast",
      "lang": "Asturian",
      "sense": "curved inward",
      "word": "cóncavu"
    },
    {
      "code": "bn",
      "lang": "Bengali",
      "roman": "obotol",
      "sense": "curved inward",
      "word": "অবতল"
    },
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "vdlǎbnat",
      "sense": "curved inward",
      "word": "вдлъбнат"
    },
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "curved inward",
      "word": "còncau"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "āo",
      "sense": "curved inward",
      "word": "凹"
    },
    {
      "code": "kw",
      "lang": "Cornish",
      "sense": "curved inward",
      "word": "kowgrom"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "curved inward",
      "word": "vydutý"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "curved inward",
      "word": "konkávní"
    },
    {
      "code": "da",
      "lang": "Danish",
      "sense": "curved inward",
      "word": "konkav"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "curved inward",
      "word": "hol"
    },
    {
      "code": "eo",
      "lang": "Esperanto",
      "sense": "curved inward",
      "word": "kava"
    },
    {
      "code": "et",
      "lang": "Estonian",
      "sense": "curved inward",
      "word": "nõgus"
    },
    {
      "code": "fo",
      "lang": "Faroese",
      "sense": "curved inward",
      "word": "innskaraður"
    },
    {
      "code": "fo",
      "lang": "Faroese",
      "sense": "curved inward",
      "word": "innhjólaður"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "curved inward",
      "word": "kovera"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "curved inward",
      "word": "konkaavi"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "curved inward",
      "word": "concave"
    },
    {
      "code": "gl",
      "lang": "Galician",
      "sense": "curved inward",
      "word": "cóncavo"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "curved inward",
      "word": "konkav"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "curved inward",
      "word": "nach innen gewölbt"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "curved inward",
      "word": "eingewölbt"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "koílos",
      "sense": "curved inward",
      "word": "κοίλος"
    },
    {
      "code": "haw",
      "lang": "Hawaiian",
      "sense": "curved inward",
      "word": "ʻeʻele"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "curved inward",
      "word": "homorú"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "curved inward",
      "word": "konkáv"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "curved inward",
      "word": "íhvolfur"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "curved inward",
      "word": "concavo"
    },
    {
      "alt": "おうめん",
      "code": "ja",
      "lang": "Japanese",
      "roman": "ōmen",
      "sense": "curved inward",
      "word": "凹面"
    },
    {
      "code": "kk",
      "lang": "Kazakh",
      "roman": "oiys",
      "sense": "curved inward",
      "word": "ойыс"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "yomyeon",
      "sense": "curved inward",
      "word": "요면"
    },
    {
      "code": "la",
      "lang": "Latin",
      "sense": "curved inward",
      "word": "concavus"
    },
    {
      "code": "mi",
      "lang": "Maori",
      "sense": "curved inward",
      "word": "areare"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "curved inward",
      "word": "konkav"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "curved inward",
      "word": "konkav"
    },
    {
      "code": "fa",
      "lang": "Persian",
      "roman": "kâv",
      "sense": "curved inward",
      "word": "کاو"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "curved inward",
      "word": "wklęsły"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "curved inward",
      "word": "côncavo"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "curved inward",
      "word": "concav"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "vógnutyj",
      "sense": "curved inward",
      "word": "во́гнутый"
    },
    {
      "code": "sk",
      "lang": "Slovak",
      "sense": "curved inward",
      "word": "dutý"
    },
    {
      "code": "sk",
      "lang": "Slovak",
      "sense": "curved inward",
      "word": "vydutý"
    },
    {
      "code": "sk",
      "lang": "Slovak",
      "sense": "curved inward",
      "word": "konkávny"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "curved inward",
      "word": "cóncavo"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "curved inward",
      "word": "konkav"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "sense": "curved inward",
      "word": "malukong"
    },
    {
      "code": "th",
      "lang": "Thai",
      "roman": "wáo",
      "sense": "curved inward",
      "word": "เว้า"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "curved inward",
      "word": "konkav"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "curved inward",
      "word": "içbükey"
    },
    {
      "code": "cy",
      "lang": "Welsh",
      "sense": "curved inward",
      "tags": [
        "masculine"
      ],
      "word": "ceugrwm"
    },
    {
      "code": "cy",
      "lang": "Welsh",
      "sense": "curved inward",
      "tags": [
        "feminine"
      ],
      "word": "ceugrom"
    }
  ],
  "wikipedia": [
    "concave"
  ],
  "word": "concave"
}

{
  "categories": [
    "English 2-syllable words",
    "English adjectives",
    "English countable nouns",
    "English lemmas",
    "English nouns",
    "English terms derived from Latin",
    "English terms derived from Middle English",
    "English terms derived from Old French",
    "English terms derived from Proto-Indo-European",
    "English terms derived from the Proto-Indo-European root *ḱewh₁-",
    "English terms inherited from Middle English",
    "English terms with IPA pronunciation",
    "English terms with audio links",
    "English verbs"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*ḱewh₁-"
      },
      "expansion": "[Template:root]",
      "name": "root"
    },
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "concave"
      },
      "expansion": "Middle English concave",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "fro",
        "3": "concave"
      },
      "expansion": "Old French concave",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "concavus"
      },
      "expansion": "Latin concavus",
      "name": "der"
    }
  ],
  "etymology_text": "From Middle English concave, from Old French concave, from Latin concavus.",
  "forms": [
    {
      "form": "concaves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "concave (plural concaves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A concave surface or curve."
      ],
      "links": [
        [
          "concave",
          "#Adjective"
        ]
      ]
    },
    {
      "glosses": [
        "The vault of the sky."
      ]
    },
    {
      "examples": [
        {
          "text": "Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661)."
        }
      ],
      "glosses": [
        "One of the celestial spheres of the Ptolemaic or geocentric model of the world."
      ],
      "links": [
        [
          "spheres",
          "sphere"
        ],
        [
          "Ptolemaic",
          "Ptolemaic"
        ],
        [
          "geocentric",
          "geocentric"
        ]
      ]
    },
    {
      "categories": [
        "en:Manufacturing"
      ],
      "glosses": [
        "An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting."
      ],
      "links": [
        [
          "manufacturing",
          "manufacturing#Noun"
        ],
        [
          "mining",
          "mining"
        ],
        [
          "harvesting",
          "harvesting"
        ]
      ],
      "raw_glosses": [
        "(manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting."
      ],
      "topics": [
        "business",
        "manufacturing"
      ]
    },
    {
      "categories": [
        "en:Surfing"
      ],
      "glosses": [
        "An indentation running along the base of a surfboard, intended to increase lift."
      ],
      "links": [
        [
          "surfing",
          "surfing#Noun"
        ],
        [
          "surfboard",
          "surfboard"
        ],
        [
          "lift",
          "lift"
        ]
      ],
      "raw_glosses": [
        "(surfing) An indentation running along the base of a surfboard, intended to increase lift."
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "sports",
        "surfing"
      ]
    },
    {
      "categories": [
        "en:Skateboarding"
      ],
      "glosses": [
        "An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength."
      ],
      "links": [
        [
          "skateboarding",
          "skateboarding#Noun"
        ],
        [
          "skateboard",
          "skateboard"
        ]
      ],
      "raw_glosses": [
        "(skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength."
      ],
      "topics": [
        "hobbies",
        "lifestyle",
        "skateboarding",
        "sports"
      ]
    },
    {
      "categories": [
        "en:Gambling"
      ],
      "examples": [
        {
          "text": "Coordinate term: convex"
        }
      ],
      "glosses": [
        "A playing card made concave for use in cheating."
      ],
      "links": [
        [
          "gambling",
          "gambling#Noun"
        ],
        [
          "playing card",
          "playing card"
        ],
        [
          "cheat",
          "cheat"
        ]
      ],
      "raw_glosses": [
        "(gambling) A playing card made concave for use in cheating."
      ],
      "topics": [
        "gambling",
        "games"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkɒn.keɪv/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/kɒnˈkeɪv/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˈkɑn.keɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/kɑnˈkeɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/kənˈkeɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "en-us-concave.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/13/En-us-concave.ogg/En-us-concave.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/13/En-us-concave.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "vdlǎbnatina",
      "sense": "A concave surface or curve",
      "word": "вдлъбнатина"
    },
    {
      "code": "kmr",
      "lang": "Northern Kurdish",
      "sense": "A concave surface or curve",
      "word": "rûçal"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "nevýpuklyj",
      "sense": "A concave surface or curve",
      "word": "невы́пуклый"
    },
    {
      "code": "th",
      "lang": "Thai",
      "sense": "A concave surface or curve",
      "word": "รูปร่างที่นูน"
    }
  ],
  "wikipedia": [
    "concave"
  ],
  "word": "concave"
}

{
  "categories": [
    "English 2-syllable words",
    "English adjectives",
    "English countable nouns",
    "English lemmas",
    "English nouns",
    "English terms derived from Latin",
    "English terms derived from Middle English",
    "English terms derived from Old French",
    "English terms derived from Proto-Indo-European",
    "English terms derived from the Proto-Indo-European root *ḱewh₁-",
    "English terms inherited from Middle English",
    "English terms with IPA pronunciation",
    "English terms with audio links",
    "English verbs"
  ],
  "derived": [
    {
      "word": "concaver"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ine-pro",
        "3": "*ḱewh₁-"
      },
      "expansion": "[Template:root]",
      "name": "root"
    },
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "concave"
      },
      "expansion": "Middle English concave",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "fro",
        "3": "concave"
      },
      "expansion": "Old French concave",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "concavus"
      },
      "expansion": "Latin concavus",
      "name": "der"
    }
  ],
  "etymology_text": "From Middle English concave, from Old French concave, from Latin concavus.",
  "forms": [
    {
      "form": "concaves",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "concaving",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "concaved",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "concaved",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "concave (third-person singular simple present concaves, present participle concaving, simple past and past participle concaved)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "To render concave, or increase the degree of concavity."
      ],
      "links": [
        [
          "concave",
          "#Adjective"
        ],
        [
          "concavity",
          "concavity"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈkɒn.keɪv/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/kɒnˈkeɪv/",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˈkɑn.keɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/kɑnˈkeɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/kənˈkeɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "en-us-concave.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/13/En-us-concave.ogg/En-us-concave.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/13/En-us-concave.ogg",
      "tags": [
        "US"
      ],
      "text": "Audio (US)"
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "vdlǎbvam",
      "sense": "To render concave, or increase the degree of concavity.",
      "word": "вдлъбвам"
    }
  ],
  "wikipedia": [
    "concave"
  ],
  "word": "concave"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-04-17 from the enwiktionary dump dated 2024-04-01 using wiktextract (0b52755 and 5cb0836). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.