"diopter" meaning in English

See diopter in All languages combined, or Wiktionary

Noun

Forms: diopters [plural]
Etymology: From Latin dioptra, from Ancient Greek διόπτρα (dióptra). Etymology templates: {{der|en|la|dioptra}} Latin dioptra, {{der|en|grc|διόπτρα}} Ancient Greek διόπτρα (dióptra) Head templates: {{en-noun}} diopter (plural diopters)
  1. A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters. Categories (topical): Units of measure, Vision Translations (unit of measure): dioptria (Basque), diòptria [feminine] (Catalan), dioptrie [feminine] (Czech), dioptria (Finnish), diopteri (Finnish), Dioptrie [feminine] (German), dioptria (Hungarian), diottria [feminine] (Italian), ディオプトリ (dioputoti) (Japanese), диоптрија (dioptrija) [feminine] (Macedonian), диоптер (diopter) [masculine] (Macedonian), dioptria [feminine] (Polish), dioptria [feminine] (Portuguese), дио́птрия (dióptrija) [feminine] (Russian), dioptría [feminine] (Spanish)
    Sense id: en-diopter-en-noun-GOwmGWLT Disambiguation of Units of measure: 21 15 13 14 6 17 2 12 Disambiguation of Vision: 40 4 8 9 18 4 3 15 Disambiguation of 'unit of measure': 93 0 0 0 3 0 0 4
  2. The dioptre adjustment mechanism of a pair of binoculars or of a camera viewfinder. Categories (topical): Units of measure
    Sense id: en-diopter-en-noun-JA--NtoR Disambiguation of Units of measure: 21 15 13 14 6 17 2 12 Categories (other): English entries with incorrect language header, Pages with 1 entry, Pages with entries Disambiguation of English entries with incorrect language header: 10 25 11 11 3 23 2 15 Disambiguation of Pages with 1 entry: 12 28 16 12 5 14 2 11 Disambiguation of Pages with entries: 9 25 11 15 3 23 1 14
  3. (photography, dated) A lens element attached to the front of a photographic lens to shorten the lens's minimum focus distance; also called a "close-up filter". Tags: dated Categories (topical): Photography, Units of measure
    Sense id: en-diopter-en-noun-MbUnq8B0 Disambiguation of Units of measure: 21 15 13 14 6 17 2 12 Categories (other): English entries with incorrect language header, Pages with entries Disambiguation of English entries with incorrect language header: 10 25 11 11 3 23 2 15 Disambiguation of Pages with entries: 9 25 11 15 3 23 1 14 Topics: arts, hobbies, lifestyle, photography
  4. (obsolete) Any lens system, such as a telescope. Tags: obsolete Categories (topical): Units of measure Translations (lens system): Diopter [neuter] (German)
    Sense id: en-diopter-en-noun-OWZjz7Of Disambiguation of Units of measure: 21 15 13 14 6 17 2 12 Categories (other): English entries with incorrect language header, Pages with entries Disambiguation of English entries with incorrect language header: 10 25 11 11 3 23 2 15 Disambiguation of Pages with entries: 9 25 11 15 3 23 1 14 Disambiguation of 'lens system': 9 0 10 81 0 0 0 0
  5. (obsolete) A theodolite or similar surveyor’s angle measuring device. Tags: obsolete Translations (theodolite): teodoliitti (Finnish), Diopter [neuter] (German)
    Sense id: en-diopter-en-noun-Sjj5B9lg Disambiguation of 'theodolite': 0 0 0 0 100 0 0 0
  6. (obsolete) An alidade. Tags: obsolete Categories (topical): Units of measure
    Sense id: en-diopter-en-noun--pMYhDwe Disambiguation of Units of measure: 21 15 13 14 6 17 2 12 Categories (other): English entries with incorrect language header, Entries with translation boxes, Pages with entries, Terms with Basque translations, Terms with Catalan translations, Terms with Czech translations, Terms with Finnish translations, Terms with German translations, Terms with Hungarian translations, Terms with Italian translations, Terms with Japanese translations, Terms with Macedonian translations, Terms with Polish translations, Terms with Portuguese translations, Terms with Russian translations, Terms with Spanish translations Disambiguation of English entries with incorrect language header: 10 25 11 11 3 23 2 15 Disambiguation of Entries with translation boxes: 7 16 10 13 4 36 1 11 Disambiguation of Pages with entries: 9 25 11 15 3 23 1 14 Disambiguation of Terms with Basque translations: 6 14 16 16 7 25 2 14 Disambiguation of Terms with Catalan translations: 6 14 16 16 7 25 2 14 Disambiguation of Terms with Czech translations: 7 12 15 15 9 22 4 16 Disambiguation of Terms with Finnish translations: 6 14 16 16 7 25 2 14 Disambiguation of Terms with German translations: 6 14 14 16 5 30 2 13 Disambiguation of Terms with Hungarian translations: 7 12 14 14 8 23 5 17 Disambiguation of Terms with Italian translations: 6 15 15 18 4 28 1 14 Disambiguation of Terms with Japanese translations: 6 15 15 18 4 28 1 14 Disambiguation of Terms with Macedonian translations: 8 13 15 15 9 24 2 15 Disambiguation of Terms with Polish translations: 7 13 15 16 7 27 2 13 Disambiguation of Terms with Portuguese translations: 7 13 14 15 8 26 2 15 Disambiguation of Terms with Russian translations: 6 14 14 17 4 31 1 13 Disambiguation of Terms with Spanish translations: 7 18 15 18 3 25 1 14
  7. (obsolete) A surgical speculum. Tags: obsolete
    Sense id: en-diopter-en-noun-DW-M4hHV
  8. (obsolete) An instrument for drawing the skull by projections. Tags: obsolete Categories (topical): Units of measure
    Sense id: en-diopter-en-noun-4yi8HsE3 Disambiguation of Units of measure: 21 15 13 14 6 17 2 12 Categories (other): English entries with incorrect language header, Pages with entries Disambiguation of English entries with incorrect language header: 10 25 11 11 3 23 2 15 Disambiguation of Pages with entries: 9 25 11 15 3 23 1 14
The following are not (yet) sense-disambiguated
Synonyms: dioptra, dioptre, dioptry [obsolete]

Inflected forms

Alternative forms

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    }
  ],
  "etymology_text": "From Latin dioptra, from Ancient Greek διόπτρα (dióptra).",
  "forms": [
    {
      "form": "diopters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "diopter (plural diopters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters."
      ],
      "links": [
        [
          "reciprocal",
          "reciprocal"
        ],
        [
          "focal length",
          "focal length"
        ],
        [
          "Myopia",
          "myopia"
        ]
      ]
    },
    {
      "glosses": [
        "The dioptre adjustment mechanism of a pair of binoculars or of a camera viewfinder."
      ]
    },
    {
      "categories": [
        "English dated terms",
        "en:Photography"
      ],
      "glosses": [
        "A lens element attached to the front of a photographic lens to shorten the lens's minimum focus distance; also called a \"close-up filter\"."
      ],
      "links": [
        [
          "photography",
          "photography"
        ],
        [
          "close-up",
          "close-up"
        ]
      ],
      "raw_glosses": [
        "(photography, dated) A lens element attached to the front of a photographic lens to shorten the lens's minimum focus distance; also called a \"close-up filter\"."
      ],
      "tags": [
        "dated"
      ],
      "topics": [
        "arts",
        "hobbies",
        "lifestyle",
        "photography"
      ]
    },
    {
      "categories": [
        "English terms with obsolete senses"
      ],
      "glosses": [
        "Any lens system, such as a telescope."
      ],
      "links": [
        [
          "telescope",
          "telescope"
        ]
      ],
      "raw_glosses": [
        "(obsolete) Any lens system, such as a telescope."
      ],
      "tags": [
        "obsolete"
      ]
    },
    {
      "categories": [
        "English terms with obsolete senses"
      ],
      "glosses": [
        "A theodolite or similar surveyor’s angle measuring device."
      ],
      "links": [
        [
          "theodolite",
          "theodolite"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A theodolite or similar surveyor’s angle measuring device."
      ],
      "tags": [
        "obsolete"
      ]
    },
    {
      "categories": [
        "English terms with obsolete senses"
      ],
      "glosses": [
        "An alidade."
      ],
      "links": [
        [
          "alidade",
          "alidade"
        ]
      ],
      "raw_glosses": [
        "(obsolete) An alidade."
      ],
      "tags": [
        "obsolete"
      ]
    },
    {
      "categories": [
        "English terms with obsolete senses"
      ],
      "glosses": [
        "A surgical speculum."
      ],
      "links": [
        [
          "surgical",
          "surgical"
        ],
        [
          "speculum",
          "speculum"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A surgical speculum."
      ],
      "tags": [
        "obsolete"
      ]
    },
    {
      "categories": [
        "English terms with obsolete senses"
      ],
      "glosses": [
        "An instrument for drawing the skull by projections."
      ],
      "raw_glosses": [
        "(obsolete) An instrument for drawing the skull by projections."
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "dioptra"
    },
    {
      "word": "dioptre"
    },
    {
      "tags": [
        "obsolete"
      ],
      "word": "dioptry"
    }
  ],
  "translations": [
    {
      "code": "eu",
      "lang": "Basque",
      "sense": "unit of measure",
      "word": "dioptria"
    },
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "unit of measure",
      "tags": [
        "feminine"
      ],
      "word": "diòptria"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "unit of measure",
      "tags": [
        "feminine"
      ],
      "word": "dioptrie"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "unit of measure",
      "word": "dioptria"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "unit of measure",
      "word": "diopteri"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "unit of measure",
      "tags": [
        "feminine"
      ],
      "word": "Dioptrie"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "unit of measure",
      "word": "dioptria"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "unit of measure",
      "tags": [
        "feminine"
      ],
      "word": "diottria"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "dioputoti",
      "sense": "unit of measure",
      "word": "ディオプトリ"
    },
    {
      "code": "mk",
      "lang": "Macedonian",
      "roman": "dioptrija",
      "sense": "unit of measure",
      "tags": [
        "feminine"
      ],
      "word": "диоптрија"
    },
    {
      "code": "mk",
      "lang": "Macedonian",
      "roman": "diopter",
      "sense": "unit of measure",
      "tags": [
        "masculine"
      ],
      "word": "диоптер"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "unit of measure",
      "tags": [
        "feminine"
      ],
      "word": "dioptria"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "unit of measure",
      "tags": [
        "feminine"
      ],
      "word": "dioptria"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "dióptrija",
      "sense": "unit of measure",
      "tags": [
        "feminine"
      ],
      "word": "дио́птрия"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "unit of measure",
      "tags": [
        "feminine"
      ],
      "word": "dioptría"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "lens system",
      "tags": [
        "neuter"
      ],
      "word": "Diopter"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "theodolite",
      "word": "teodoliitti"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "theodolite",
      "tags": [
        "neuter"
      ],
      "word": "Diopter"
    }
  ],
  "wikipedia": [
    "diopter"
  ],
  "word": "diopter"
}

Download raw JSONL data for diopter meaning in English (5.3kB)


This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-12-08 from the enwiktionary dump dated 2024-12-04 using wiktextract (bb46d54 and 0c3c9f6). 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.