"ommatidium" meaning in English

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        "3": "ὀμματίδιον",
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        "5": "little eye"
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      "expansion": "Ancient Greek ὀμματίδιον (ommatídion, “little eye”)",
      "name": "der"
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        "1": "en",
        "2": "-idium"
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  "etymology_text": "From Ancient Greek ὀμματίδιον (ommatídion, “little eye”), equivalent to ὄμμα (ómma, stem ὄμματ-) + -idium.",
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    {
      "form": "ommatidia",
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        "plural"
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  "lang_code": "en",
  "pos": "noun",
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        {
          "ref": "1996, Michael J. Roberts, Spiders of Britain and Northern Europe, Collins, published 1996, page 12:",
          "text": "The ‘compound’ eyes of insects [...] are made up of large numbers of facets or ommatidia, and in this sense, our own eyes are ‘simple’.",
          "type": "quote"
        }
      ],
      "glosses": [
        "One of the conical substructures which make up the eyes of invertebrates with compound eyes."
      ],
      "id": "en-ommatidium-en-noun-asm9oODW",
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        "(zoology) One of the conical substructures which make up the eyes of invertebrates with compound eyes."
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      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "substructure of the eye",
          "tags": [
            "masculine"
          ],
          "word": "ommatidi"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "substructure of the eye",
          "word": "ommatidi"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "substructure of the eye",
          "tags": [
            "feminine"
          ],
          "word": "ommatidie"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "ommatídij",
          "sense": "substructure of the eye",
          "tags": [
            "masculine"
          ],
          "word": "оммати́дий"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "substructure of the eye",
          "tags": [
            "masculine"
          ],
          "word": "omatidio"
        }
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      "ipa": "/ɒməˈtɪdɪəm/",
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      "ipa": "/ɑməˈtɪdɪəm/",
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  "word": "ommatidium"
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      "name": "der"
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  "etymology_text": "From Ancient Greek ὀμματίδιον (ommatídion, “little eye”), equivalent to ὄμμα (ómma, stem ὄμματ-) + -idium.",
  "forms": [
    {
      "form": "ommatidia",
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        ],
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          "compound eye",
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        ]
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        "(zoology) One of the conical substructures which make up the eyes of invertebrates with compound eyes."
      ],
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        "biology",
        "natural-sciences",
        "zoology"
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  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "substructure of the eye",
      "tags": [
        "masculine"
      ],
      "word": "ommatidi"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "substructure of the eye",
      "word": "ommatidi"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "substructure of the eye",
      "tags": [
        "feminine"
      ],
      "word": "ommatidie"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "ommatídij",
      "sense": "substructure of the eye",
      "tags": [
        "masculine"
      ],
      "word": "оммати́дий"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "substructure of the eye",
      "tags": [
        "masculine"
      ],
      "word": "omatidio"
    }
  ],
  "word": "ommatidium"
}