"coextinction" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "co",
        "3": "extinction"
      },
      "expansion": "co- + extinction",
      "name": "prefix"
    }
  ],
  "etymology_text": "From co- + extinction.",
  "forms": [
    {
      "form": "coextinctions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "coextinction (plural coextinctions)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
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        {
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          "name": "English terms prefixed with co-",
          "parents": [],
          "source": "w"
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        {
          "kind": "other",
          "langcode": "en",
          "name": "Biology",
          "orig": "en:Biology",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "The simultaneous extinction of two or more species (especially when one is dependent on the other)"
      ],
      "id": "en-coextinction-en-noun-nVtLJiz7",
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "simultaneous",
          "simultaneous"
        ],
        [
          "extinction",
          "extinction"
        ],
        [
          "species",
          "species"
        ]
      ],
      "raw_glosses": [
        "(biology) The simultaneous extinction of two or more species (especially when one is dependent on the other)"
      ],
      "related": [
        {
          "word": "coextinct"
        }
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "word": "coextinction"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "co",
        "3": "extinction"
      },
      "expansion": "co- + extinction",
      "name": "prefix"
    }
  ],
  "etymology_text": "From co- + extinction.",
  "forms": [
    {
      "form": "coextinctions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "coextinction (plural coextinctions)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "coextinct"
    }
  ],
  "senses": [
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        "en:Biology"
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      "glosses": [
        "The simultaneous extinction of two or more species (especially when one is dependent on the other)"
      ],
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "simultaneous",
          "simultaneous"
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        [
          "extinction",
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      ],
      "raw_glosses": [
        "(biology) The simultaneous extinction of two or more species (especially when one is dependent on the other)"
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "word": "coextinction"
}