"hexadecavalent" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hexadeca",
        "3": "valent"
      },
      "expansion": "hexadeca- + -valent",
      "name": "confix"
    }
  ],
  "etymology_text": "hexadeca- + -valent",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "hexadecavalent (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with hexadeca-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -valent",
          "parents": [],
          "source": "w"
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          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
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            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "having a valence of 16"
      ],
      "id": "en-hexadecavalent-en-adj-756I1Wxs",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "valence",
          "valence"
        ]
      ],
      "raw_glosses": [
        "(chemistry) having a valence of 16"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "hexadecavalent"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hexadeca",
        "3": "valent"
      },
      "expansion": "hexadeca- + -valent",
      "name": "confix"
    }
  ],
  "etymology_text": "hexadeca- + -valent",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "hexadecavalent (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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        "English terms prefixed with hexadeca-",
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        "en:Chemistry"
      ],
      "glosses": [
        "having a valence of 16"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "valence",
          "valence"
        ]
      ],
      "raw_glosses": [
        "(chemistry) having a valence of 16"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "hexadecavalent"
}