"Wratten number" meaning in English

See Wratten number in All languages combined, or Wiktionary

Noun

Forms: Wratten numbers [plural]
Etymology: Named after Frederick Wratten, British inventor who founded the first photography company. Head templates: {{en-noun}} Wratten number (plural Wratten numbers)
  1. Any of the arbitrary alphanumeric codes in a system for labelling optical filters, usually for photographic use. Wikipedia link: Wratten number
    Sense id: en-Wratten_number-en-noun-m0FUh4l6 Categories (other): English entries with incorrect language header, Pages with 1 entry, Pages with entries

Inflected forms

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  "etymology_text": "Named after Frederick Wratten, British inventor who founded the first photography company.",
  "forms": [
    {
      "form": "Wratten numbers",
      "tags": [
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  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
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          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of the arbitrary alphanumeric codes in a system for labelling optical filters, usually for photographic use."
      ],
      "id": "en-Wratten_number-en-noun-m0FUh4l6",
      "links": [
        [
          "arbitrary",
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        ],
        [
          "alphanumeric",
          "alphanumeric"
        ],
        [
          "code",
          "code"
        ],
        [
          "system",
          "system"
        ],
        [
          "optical",
          "optical"
        ],
        [
          "filter",
          "filter"
        ],
        [
          "photographic",
          "photographic"
        ]
      ],
      "wikipedia": [
        "Wratten number"
      ]
    }
  ],
  "word": "Wratten number"
}
{
  "etymology_text": "Named after Frederick Wratten, British inventor who founded the first photography company.",
  "forms": [
    {
      "form": "Wratten numbers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
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        "Pages with entries"
      ],
      "glosses": [
        "Any of the arbitrary alphanumeric codes in a system for labelling optical filters, usually for photographic use."
      ],
      "links": [
        [
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          "arbitrary"
        ],
        [
          "alphanumeric",
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        ]
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    }
  ],
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}

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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2025-03-21 from the enwiktionary dump dated 2025-03-02 using wiktextract (db0bec0 and 633533e). 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.