"pegmatite" meaning in English

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        "3": "πήγνυμι",
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  "etymology_text": "From Ancient Greek πήγνυμι (pḗgnumi, “to attach, join”) + -ite",
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    {
      "form": "pegmatites",
      "tags": [
        "plural"
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  "lang_code": "en",
  "pos": "noun",
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      "derived": [
        {
          "word": "micropegmatite"
        },
        {
          "word": "pegmatitic"
        },
        {
          "word": "pegmatoid"
        }
      ],
      "glosses": [
        "A coarsely crystalline igneous or plutonic rock composed primarily of feldspar and quartz, normally with muscovite and/or biotite mica."
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      "id": "en-pegmatite-en-noun-9xtBjXG0",
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          "crystal",
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          "igneous",
          "igneous"
        ],
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          "plutonic",
          "plutonic"
        ],
        [
          "rock",
          "rock"
        ],
        [
          "feldspar",
          "feldspar"
        ],
        [
          "quartz",
          "quartz"
        ],
        [
          "muscovite",
          "muscovite"
        ],
        [
          "biotite",
          "biotite"
        ],
        [
          "mica",
          "mica"
        ]
      ],
      "related": [
        {
          "word": "feldspar"
        },
        {
          "word": "granite"
        },
        {
          "word": "quartz"
        }
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      "ipa": "/ˈpɛɡmətaɪt/"
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  "word": "pegmatite"
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      "word": "micropegmatite"
    },
    {
      "word": "pegmatitic"
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    {
      "word": "pegmatoid"
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    {
      "form": "pegmatites",
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        "plural"
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  "pos": "noun",
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      "word": "feldspar"
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    {
      "word": "granite"
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    {
      "word": "quartz"
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    {
      "ipa": "/ˈpɛɡmətaɪt/"
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  "word": "pegmatite"
}