"opacity" meaning in English

See opacity in All languages combined, or Wiktionary

Noun

IPA: /oʊˈpæsɪti/ [US] Audio: LL-Q1860 (eng)-Vininn126-opacity.wav Forms: opacities [plural]
enPR: ōpăsʹĭti [US] Etymology: From opaque + -ity, from French opacité, from Latin opacitas. Etymology templates: {{suffix|en|opaque|ity}} opaque + -ity, {{der|en|fr|opacité}} French opacité, {{uder|en|la|opacitas}} Latin opacitas Head templates: {{en-noun|~}} opacity (countable and uncountable, plural opacities)
  1. (uncountable) The state or quality of being opaque, not allowing light to pass through. Tags: uncountable Translations (state of being opaque; blocking light): непразры́стасць (njeprazrýstascʹ) [feminine] (Belarusian), непрозрачност (neprozračnost) [feminine] (Bulgarian), opacitat [feminine] (Catalan), neprůhlednost [feminine] (Czech), uigennemsigtighed [common-gender] (Danish), ugennemsigtighed (Danish), läpikuultamattomuus (Finnish), läpinäkymättömyys (Finnish), opacité [feminine] (French), opacidade [feminine] (Galician), Opazität [feminine] (German), Undurchsichtigkeit [feminine] (German), Lichtundurchlässigkeit [feminine] (German), αδιαφάνεια (adiafáneia) [feminine] (Greek), अपारदर्शिता (apārdarśitā) [feminine] (Hindi), ketidakbeningan (Indonesian), necaurredzamība [feminine] (Latvian), necaurspīdīgums [masculine] (Latvian), opasitet [masculine] (Norwegian Bokmål), ugjennomsiktighet [feminine, masculine] (Norwegian Bokmål), opacidade [feminine] (Portuguese), непрозра́чность (neprozráčnostʹ) [feminine] (Russian), opacidad [feminine] (Spanish), opacitet [common-gender] (Swedish), opasidad (Tagalog), непрозо́рість (neprozóristʹ) [feminine] (Ukrainian)
    Sense id: en-opacity-en-noun-CWgdDIHN Categories (other): English entries with incorrect language header, English terms suffixed with -ity, English undefined derivations, Entries with translation boxes, Pages with 1 entry, Pages with entries, Terms with Belarusian translations, Terms with Bulgarian translations, Terms with Catalan translations, Terms with Czech translations, Terms with Danish translations, Terms with Finnish translations, Terms with French translations, Terms with Galician translations, Terms with German translations, Terms with Greek translations, Terms with Hindi translations, Terms with Indonesian translations, Terms with Latvian translations, Terms with Norwegian Bokmål translations, Terms with Portuguese translations, Terms with Russian translations, Terms with Spanish translations, Terms with Swedish translations, Terms with Tagalog translations, Terms with Ukrainian translations Disambiguation of English entries with incorrect language header: 41 19 29 11 Disambiguation of English terms suffixed with -ity: 54 21 15 9 Disambiguation of English undefined derivations: 51 22 15 12 Disambiguation of Entries with translation boxes: 47 8 36 8 Disambiguation of Pages with 1 entry: 57 7 30 6 Disambiguation of Pages with entries: 69 5 21 5 Disambiguation of Terms with Belarusian translations: 64 13 15 8 Disambiguation of Terms with Bulgarian translations: 64 13 15 8 Disambiguation of Terms with Catalan translations: 61 13 18 8 Disambiguation of Terms with Czech translations: 64 13 15 8 Disambiguation of Terms with Danish translations: 75 7 14 4 Disambiguation of Terms with Finnish translations: 64 13 15 8 Disambiguation of Terms with French translations: 64 10 19 8 Disambiguation of Terms with Galician translations: 61 12 18 8 Disambiguation of Terms with German translations: 64 13 15 8 Disambiguation of Terms with Greek translations: 49 18 18 14 Disambiguation of Terms with Hindi translations: 61 16 14 8 Disambiguation of Terms with Indonesian translations: 64 13 15 8 Disambiguation of Terms with Latvian translations: 64 13 15 8 Disambiguation of Terms with Norwegian Bokmål translations: 62 14 14 9 Disambiguation of Terms with Portuguese translations: 62 15 14 8 Disambiguation of Terms with Russian translations: 69 9 16 6 Disambiguation of Terms with Spanish translations: 71 9 15 5 Disambiguation of Terms with Swedish translations: 66 12 14 8 Disambiguation of Terms with Tagalog translations: 64 13 14 8 Disambiguation of Terms with Ukrainian translations: 64 13 15 8 Disambiguation of 'state of being opaque; blocking light': 49 24 8 19
  2. (uncountable) The state or quality of being inaccessible to understanding. Tags: uncountable Translations (state of being inaccessible to understanding): неясност (nejasnost) [feminine] (Bulgarian), opacité [feminine] (French), Undurchsichtigkeit [feminine] (German), Nebulösität [feminine] (German), opasidad (Tagalog)
    Sense id: en-opacity-en-noun-TUTZvB8l Disambiguation of 'state of being inaccessible to understanding': 32 59 6 2
  3. (optics, countable) A measure of relative impenetrability to electromagnetic radiation such as light. Tags: countable Translations (measure of relative opaqueness): läpikuultamattomuus (Finnish), läpinäkymättömyys (Finnish), ketidakbeningan (Indonesian), opasidad (Tagalog)
    Sense id: en-opacity-en-noun-nyZTBXGP Categories (other): Optics Topics: engineering, natural-sciences, optics, physical-sciences, physics Disambiguation of 'measure of relative opaqueness': 17 4 71 8
  4. (countable) An opaque area. Tags: countable Translations (opaque area): помутні́ння (pomutnínnja) [neuter] (Ukrainian)
    Sense id: en-opacity-en-noun-OWFlPAzB Disambiguation of 'opaque area': 20 4 2 74
The following are not (yet) sense-disambiguated
Synonyms: nontransparency, opaqueness Derived forms: nonopacity, radioopacity, radiopacity, referential opacity, semiopacity, snowball opacity, subopacity Coordinate_terms: transparency

Inflected forms

{
  "coordinate_terms": [
    {
      "_dis1": "0 0 0 0",
      "word": "transparency"
    }
  ],
  "derived": [
    {
      "_dis1": "0 0 0 0",
      "word": "nonopacity"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "radioopacity"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "radiopacity"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "referential opacity"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "semiopacity"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "snowball opacity"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "subopacity"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "opaque",
        "3": "ity"
      },
      "expansion": "opaque + -ity",
      "name": "suffix"
    },
    {
      "args": {
        "1": "en",
        "2": "fr",
        "3": "opacité"
      },
      "expansion": "French opacité",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "opacitas"
      },
      "expansion": "Latin opacitas",
      "name": "uder"
    }
  ],
  "etymology_text": "From opaque + -ity, from French opacité, from Latin opacitas.",
  "forms": [
    {
      "form": "opacities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "opacity (countable and uncountable, plural opacities)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "41 19 29 11",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "54 21 15 9",
          "kind": "other",
          "name": "English terms suffixed with -ity",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "51 22 15 12",
          "kind": "other",
          "name": "English undefined derivations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "47 8 36 8",
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "57 7 30 6",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "69 5 21 5",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "64 13 15 8",
          "kind": "other",
          "name": "Terms with Belarusian translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "64 13 15 8",
          "kind": "other",
          "name": "Terms with Bulgarian translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "61 13 18 8",
          "kind": "other",
          "name": "Terms with Catalan translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "64 13 15 8",
          "kind": "other",
          "name": "Terms with Czech translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "75 7 14 4",
          "kind": "other",
          "name": "Terms with Danish translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "64 13 15 8",
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "64 10 19 8",
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "61 12 18 8",
          "kind": "other",
          "name": "Terms with Galician translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "64 13 15 8",
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 18 18 14",
          "kind": "other",
          "name": "Terms with Greek translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "61 16 14 8",
          "kind": "other",
          "name": "Terms with Hindi translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "64 13 15 8",
          "kind": "other",
          "name": "Terms with Indonesian translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "64 13 15 8",
          "kind": "other",
          "name": "Terms with Latvian translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "62 14 14 9",
          "kind": "other",
          "name": "Terms with Norwegian Bokmål translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "62 15 14 8",
          "kind": "other",
          "name": "Terms with Portuguese translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "69 9 16 6",
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "71 9 15 5",
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "66 12 14 8",
          "kind": "other",
          "name": "Terms with Swedish translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "64 13 14 8",
          "kind": "other",
          "name": "Terms with Tagalog translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "64 13 15 8",
          "kind": "other",
          "name": "Terms with Ukrainian translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              40,
              47
            ]
          ],
          "text": "We could not see the sandbar due to the opacity of the muddy water.",
          "type": "example"
        }
      ],
      "glosses": [
        "The state or quality of being opaque, not allowing light to pass through."
      ],
      "id": "en-opacity-en-noun-CWgdDIHN",
      "links": [
        [
          "opaque",
          "opaque"
        ]
      ],
      "raw_glosses": [
        "(uncountable) The state or quality of being opaque, not allowing light to pass through."
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "_dis1": "49 24 8 19",
          "code": "be",
          "lang": "Belarusian",
          "lang_code": "be",
          "roman": "njeprazrýstascʹ",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "непразры́стасць"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "bg",
          "lang": "Bulgarian",
          "lang_code": "bg",
          "roman": "neprozračnost",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "непрозрачност"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "ca",
          "lang": "Catalan",
          "lang_code": "ca",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "opacitat"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "cs",
          "lang": "Czech",
          "lang_code": "cs",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "neprůhlednost"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "da",
          "lang": "Danish",
          "lang_code": "da",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "common-gender"
          ],
          "word": "uigennemsigtighed"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "da",
          "lang": "Danish",
          "lang_code": "da",
          "sense": "state of being opaque; blocking light",
          "word": "ugennemsigtighed"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "fi",
          "lang": "Finnish",
          "lang_code": "fi",
          "sense": "state of being opaque; blocking light",
          "word": "läpikuultamattomuus"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "fi",
          "lang": "Finnish",
          "lang_code": "fi",
          "sense": "state of being opaque; blocking light",
          "word": "läpinäkymättömyys"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "fr",
          "lang": "French",
          "lang_code": "fr",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "opacité"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "gl",
          "lang": "Galician",
          "lang_code": "gl",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "opacidade"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "Opazität"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "Undurchsichtigkeit"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "Lichtundurchlässigkeit"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "el",
          "lang": "Greek",
          "lang_code": "el",
          "roman": "adiafáneia",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "αδιαφάνεια"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "hi",
          "lang": "Hindi",
          "lang_code": "hi",
          "roman": "apārdarśitā",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "अपारदर्शिता"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "id",
          "lang": "Indonesian",
          "lang_code": "id",
          "sense": "state of being opaque; blocking light",
          "word": "ketidakbeningan"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "lv",
          "lang": "Latvian",
          "lang_code": "lv",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "necaurredzamība"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "lv",
          "lang": "Latvian",
          "lang_code": "lv",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "masculine"
          ],
          "word": "necaurspīdīgums"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "lang_code": "nb",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "masculine"
          ],
          "word": "opasitet"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "lang_code": "nb",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine",
            "masculine"
          ],
          "word": "ugjennomsiktighet"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "pt",
          "lang": "Portuguese",
          "lang_code": "pt",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "opacidade"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "ru",
          "lang": "Russian",
          "lang_code": "ru",
          "roman": "neprozráčnostʹ",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "непрозра́чность"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "es",
          "lang": "Spanish",
          "lang_code": "es",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "opacidad"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "sv",
          "lang": "Swedish",
          "lang_code": "sv",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "common-gender"
          ],
          "word": "opacitet"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "tl",
          "lang": "Tagalog",
          "lang_code": "tl",
          "sense": "state of being opaque; blocking light",
          "word": "opasidad"
        },
        {
          "_dis1": "49 24 8 19",
          "code": "uk",
          "lang": "Ukrainian",
          "lang_code": "uk",
          "roman": "neprozóristʹ",
          "sense": "state of being opaque; blocking light",
          "tags": [
            "feminine"
          ],
          "word": "непрозо́рість"
        }
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "bold_text_offsets": [
            [
              4,
              11
            ]
          ],
          "text": "The opacity of these decisions is troubling.",
          "type": "example"
        }
      ],
      "glosses": [
        "The state or quality of being inaccessible to understanding."
      ],
      "id": "en-opacity-en-noun-TUTZvB8l",
      "links": [
        [
          "inaccessible",
          "inaccessible"
        ]
      ],
      "raw_glosses": [
        "(uncountable) The state or quality of being inaccessible to understanding."
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "_dis1": "32 59 6 2",
          "code": "bg",
          "lang": "Bulgarian",
          "lang_code": "bg",
          "roman": "nejasnost",
          "sense": "state of being inaccessible to understanding",
          "tags": [
            "feminine"
          ],
          "word": "неясност"
        },
        {
          "_dis1": "32 59 6 2",
          "code": "fr",
          "lang": "French",
          "lang_code": "fr",
          "sense": "state of being inaccessible to understanding",
          "tags": [
            "feminine"
          ],
          "word": "opacité"
        },
        {
          "_dis1": "32 59 6 2",
          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "state of being inaccessible to understanding",
          "tags": [
            "feminine"
          ],
          "word": "Undurchsichtigkeit"
        },
        {
          "_dis1": "32 59 6 2",
          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "state of being inaccessible to understanding",
          "tags": [
            "feminine"
          ],
          "word": "Nebulösität"
        },
        {
          "_dis1": "32 59 6 2",
          "code": "tl",
          "lang": "Tagalog",
          "lang_code": "tl",
          "sense": "state of being inaccessible to understanding",
          "word": "opasidad"
        }
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Optics",
          "orig": "en:Optics",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              4,
              11
            ]
          ],
          "text": "The opacity of a clean glass window is near zero.",
          "type": "example"
        }
      ],
      "glosses": [
        "A measure of relative impenetrability to electromagnetic radiation such as light."
      ],
      "id": "en-opacity-en-noun-nyZTBXGP",
      "links": [
        [
          "optics",
          "optics"
        ],
        [
          "impenetrability",
          "impenetrability"
        ],
        [
          "electromagnetic",
          "electromagnetic"
        ],
        [
          "light",
          "light"
        ]
      ],
      "raw_glosses": [
        "(optics, countable) A measure of relative impenetrability to electromagnetic radiation such as light."
      ],
      "tags": [
        "countable"
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "optics",
        "physical-sciences",
        "physics"
      ],
      "translations": [
        {
          "_dis1": "17 4 71 8",
          "code": "fi",
          "lang": "Finnish",
          "lang_code": "fi",
          "sense": "measure of relative opaqueness",
          "word": "läpikuultamattomuus"
        },
        {
          "_dis1": "17 4 71 8",
          "code": "fi",
          "lang": "Finnish",
          "lang_code": "fi",
          "sense": "measure of relative opaqueness",
          "word": "läpinäkymättömyys"
        },
        {
          "_dis1": "17 4 71 8",
          "code": "id",
          "lang": "Indonesian",
          "lang_code": "id",
          "sense": "measure of relative opaqueness",
          "word": "ketidakbeningan"
        },
        {
          "_dis1": "17 4 71 8",
          "code": "tl",
          "lang": "Tagalog",
          "lang_code": "tl",
          "sense": "measure of relative opaqueness",
          "word": "opasidad"
        }
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "bold_text_offsets": [
            [
              95,
              104
            ]
          ],
          "ref": "1968, Dark A. J., Kirkham T. H., “Congenital corneal opacities in a patient with Rieger's anomaly and Down's syndrome”, in British Journal of Ophthalmology, volume 52, number 8, →DOI, page 631:",
          "text": "This report concerns a child with Down's syndrome (mongolism) and bilateral congenital corneal opacities born into a family affected through three generations by Rieger's anomaly.",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              17,
              26
            ]
          ],
          "ref": "1992, Dick, J. A. et al., “The significance of irregular opacities on the chest roentgenogram”, in Chest, volume 102, number 1, →DOI, →PMID, pages 251-60:",
          "text": "Scanty irregular opacities are not uncommonly observed on the chest roentgenogram in the absence of interstitial fibrosis of the lungs.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An opaque area."
      ],
      "id": "en-opacity-en-noun-OWFlPAzB",
      "raw_glosses": [
        "(countable) An opaque area."
      ],
      "tags": [
        "countable"
      ],
      "translations": [
        {
          "_dis1": "20 4 2 74",
          "code": "uk",
          "lang": "Ukrainian",
          "lang_code": "uk",
          "roman": "pomutnínnja",
          "sense": "opaque area",
          "tags": [
            "neuter"
          ],
          "word": "помутні́ння"
        }
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "ōpăsʹĭti",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/oʊˈpæsɪti/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vininn126-opacity.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c4/LL-Q1860_%28eng%29-Vininn126-opacity.wav/LL-Q1860_%28eng%29-Vininn126-opacity.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c4/LL-Q1860_%28eng%29-Vininn126-opacity.wav/LL-Q1860_%28eng%29-Vininn126-opacity.wav.ogg"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0 0 0",
      "word": "nontransparency"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "opaqueness"
    }
  ],
  "word": "opacity"
}
{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms derived from French",
    "English terms derived from Latin",
    "English terms suffixed with -ity",
    "English uncountable nouns",
    "English undefined derivations",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries",
    "Requests for review of Swedish translations",
    "Terms with Belarusian translations",
    "Terms with Bulgarian translations",
    "Terms with Catalan translations",
    "Terms with Czech translations",
    "Terms with Danish translations",
    "Terms with Finnish translations",
    "Terms with French translations",
    "Terms with Galician translations",
    "Terms with German translations",
    "Terms with Greek translations",
    "Terms with Hindi translations",
    "Terms with Indonesian translations",
    "Terms with Latvian translations",
    "Terms with Norwegian Bokmål translations",
    "Terms with Portuguese translations",
    "Terms with Russian translations",
    "Terms with Spanish translations",
    "Terms with Swedish translations",
    "Terms with Tagalog translations",
    "Terms with Ukrainian translations"
  ],
  "coordinate_terms": [
    {
      "word": "transparency"
    }
  ],
  "derived": [
    {
      "word": "nonopacity"
    },
    {
      "word": "radioopacity"
    },
    {
      "word": "radiopacity"
    },
    {
      "word": "referential opacity"
    },
    {
      "word": "semiopacity"
    },
    {
      "word": "snowball opacity"
    },
    {
      "word": "subopacity"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "opaque",
        "3": "ity"
      },
      "expansion": "opaque + -ity",
      "name": "suffix"
    },
    {
      "args": {
        "1": "en",
        "2": "fr",
        "3": "opacité"
      },
      "expansion": "French opacité",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "opacitas"
      },
      "expansion": "Latin opacitas",
      "name": "uder"
    }
  ],
  "etymology_text": "From opaque + -ity, from French opacité, from Latin opacitas.",
  "forms": [
    {
      "form": "opacities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "opacity (countable and uncountable, plural opacities)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with usage examples",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              40,
              47
            ]
          ],
          "text": "We could not see the sandbar due to the opacity of the muddy water.",
          "type": "example"
        }
      ],
      "glosses": [
        "The state or quality of being opaque, not allowing light to pass through."
      ],
      "links": [
        [
          "opaque",
          "opaque"
        ]
      ],
      "raw_glosses": [
        "(uncountable) The state or quality of being opaque, not allowing light to pass through."
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [
        "English terms with usage examples",
        "English uncountable nouns"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              4,
              11
            ]
          ],
          "text": "The opacity of these decisions is troubling.",
          "type": "example"
        }
      ],
      "glosses": [
        "The state or quality of being inaccessible to understanding."
      ],
      "links": [
        [
          "inaccessible",
          "inaccessible"
        ]
      ],
      "raw_glosses": [
        "(uncountable) The state or quality of being inaccessible to understanding."
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [
        "English countable nouns",
        "English terms with usage examples",
        "en:Optics"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              4,
              11
            ]
          ],
          "text": "The opacity of a clean glass window is near zero.",
          "type": "example"
        }
      ],
      "glosses": [
        "A measure of relative impenetrability to electromagnetic radiation such as light."
      ],
      "links": [
        [
          "optics",
          "optics"
        ],
        [
          "impenetrability",
          "impenetrability"
        ],
        [
          "electromagnetic",
          "electromagnetic"
        ],
        [
          "light",
          "light"
        ]
      ],
      "raw_glosses": [
        "(optics, countable) A measure of relative impenetrability to electromagnetic radiation such as light."
      ],
      "tags": [
        "countable"
      ],
      "topics": [
        "engineering",
        "natural-sciences",
        "optics",
        "physical-sciences",
        "physics"
      ]
    },
    {
      "categories": [
        "English countable nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              95,
              104
            ]
          ],
          "ref": "1968, Dark A. J., Kirkham T. H., “Congenital corneal opacities in a patient with Rieger's anomaly and Down's syndrome”, in British Journal of Ophthalmology, volume 52, number 8, →DOI, page 631:",
          "text": "This report concerns a child with Down's syndrome (mongolism) and bilateral congenital corneal opacities born into a family affected through three generations by Rieger's anomaly.",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              17,
              26
            ]
          ],
          "ref": "1992, Dick, J. A. et al., “The significance of irregular opacities on the chest roentgenogram”, in Chest, volume 102, number 1, →DOI, →PMID, pages 251-60:",
          "text": "Scanty irregular opacities are not uncommonly observed on the chest roentgenogram in the absence of interstitial fibrosis of the lungs.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An opaque area."
      ],
      "raw_glosses": [
        "(countable) An opaque area."
      ],
      "tags": [
        "countable"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "ōpăsʹĭti",
      "tags": [
        "US"
      ]
    },
    {
      "ipa": "/oʊˈpæsɪti/",
      "tags": [
        "US"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vininn126-opacity.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c4/LL-Q1860_%28eng%29-Vininn126-opacity.wav/LL-Q1860_%28eng%29-Vininn126-opacity.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c4/LL-Q1860_%28eng%29-Vininn126-opacity.wav/LL-Q1860_%28eng%29-Vininn126-opacity.wav.ogg"
    }
  ],
  "synonyms": [
    {
      "word": "nontransparency"
    },
    {
      "word": "opaqueness"
    }
  ],
  "translations": [
    {
      "code": "be",
      "lang": "Belarusian",
      "lang_code": "be",
      "roman": "njeprazrýstascʹ",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "непразры́стасць"
    },
    {
      "code": "bg",
      "lang": "Bulgarian",
      "lang_code": "bg",
      "roman": "neprozračnost",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "непрозрачност"
    },
    {
      "code": "ca",
      "lang": "Catalan",
      "lang_code": "ca",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "opacitat"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "lang_code": "cs",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "neprůhlednost"
    },
    {
      "code": "da",
      "lang": "Danish",
      "lang_code": "da",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "common-gender"
      ],
      "word": "uigennemsigtighed"
    },
    {
      "code": "da",
      "lang": "Danish",
      "lang_code": "da",
      "sense": "state of being opaque; blocking light",
      "word": "ugennemsigtighed"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "lang_code": "fi",
      "sense": "state of being opaque; blocking light",
      "word": "läpikuultamattomuus"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "lang_code": "fi",
      "sense": "state of being opaque; blocking light",
      "word": "läpinäkymättömyys"
    },
    {
      "code": "fr",
      "lang": "French",
      "lang_code": "fr",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "opacité"
    },
    {
      "code": "gl",
      "lang": "Galician",
      "lang_code": "gl",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "opacidade"
    },
    {
      "code": "de",
      "lang": "German",
      "lang_code": "de",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "Opazität"
    },
    {
      "code": "de",
      "lang": "German",
      "lang_code": "de",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "Undurchsichtigkeit"
    },
    {
      "code": "de",
      "lang": "German",
      "lang_code": "de",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "Lichtundurchlässigkeit"
    },
    {
      "code": "el",
      "lang": "Greek",
      "lang_code": "el",
      "roman": "adiafáneia",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "αδιαφάνεια"
    },
    {
      "code": "hi",
      "lang": "Hindi",
      "lang_code": "hi",
      "roman": "apārdarśitā",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "अपारदर्शिता"
    },
    {
      "code": "id",
      "lang": "Indonesian",
      "lang_code": "id",
      "sense": "state of being opaque; blocking light",
      "word": "ketidakbeningan"
    },
    {
      "code": "lv",
      "lang": "Latvian",
      "lang_code": "lv",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "necaurredzamība"
    },
    {
      "code": "lv",
      "lang": "Latvian",
      "lang_code": "lv",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "masculine"
      ],
      "word": "necaurspīdīgums"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "lang_code": "nb",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "masculine"
      ],
      "word": "opasitet"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "lang_code": "nb",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine",
        "masculine"
      ],
      "word": "ugjennomsiktighet"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "lang_code": "pt",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "opacidade"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "lang_code": "ru",
      "roman": "neprozráčnostʹ",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "непрозра́чность"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "lang_code": "es",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "opacidad"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "lang_code": "sv",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "common-gender"
      ],
      "word": "opacitet"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "lang_code": "tl",
      "sense": "state of being opaque; blocking light",
      "word": "opasidad"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "lang_code": "uk",
      "roman": "neprozóristʹ",
      "sense": "state of being opaque; blocking light",
      "tags": [
        "feminine"
      ],
      "word": "непрозо́рість"
    },
    {
      "code": "bg",
      "lang": "Bulgarian",
      "lang_code": "bg",
      "roman": "nejasnost",
      "sense": "state of being inaccessible to understanding",
      "tags": [
        "feminine"
      ],
      "word": "неясност"
    },
    {
      "code": "fr",
      "lang": "French",
      "lang_code": "fr",
      "sense": "state of being inaccessible to understanding",
      "tags": [
        "feminine"
      ],
      "word": "opacité"
    },
    {
      "code": "de",
      "lang": "German",
      "lang_code": "de",
      "sense": "state of being inaccessible to understanding",
      "tags": [
        "feminine"
      ],
      "word": "Undurchsichtigkeit"
    },
    {
      "code": "de",
      "lang": "German",
      "lang_code": "de",
      "sense": "state of being inaccessible to understanding",
      "tags": [
        "feminine"
      ],
      "word": "Nebulösität"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "lang_code": "tl",
      "sense": "state of being inaccessible to understanding",
      "word": "opasidad"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "lang_code": "fi",
      "sense": "measure of relative opaqueness",
      "word": "läpikuultamattomuus"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "lang_code": "fi",
      "sense": "measure of relative opaqueness",
      "word": "läpinäkymättömyys"
    },
    {
      "code": "id",
      "lang": "Indonesian",
      "lang_code": "id",
      "sense": "measure of relative opaqueness",
      "word": "ketidakbeningan"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "lang_code": "tl",
      "sense": "measure of relative opaqueness",
      "word": "opasidad"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "lang_code": "uk",
      "roman": "pomutnínnja",
      "sense": "opaque area",
      "tags": [
        "neuter"
      ],
      "word": "помутні́ння"
    }
  ],
  "word": "opacity"
}

Download raw JSONL data for opacity meaning in English (10.6kB)


This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-02-08 from the enwiktionary dump dated 2026-02-01 using wiktextract (f492ef9 and 9905b1f). 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.