"heptamethylene" meaning in English

{
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        "2": "hepta",
        "3": "methylene"
      },
      "expansion": "hepta- + methylene",
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    }
  ],
  "etymology_text": "From hepta- + methylene.",
  "forms": [
    {
      "form": "heptamethylenes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "heptamethylene (plural heptamethylenes)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
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      ],
      "glosses": [
        "The divalent radical obtained by removing a hydrogen atom from each end of a n-heptane molecule."
      ],
      "id": "en-heptamethylene-en-noun-TIvi9V~X",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "divalent",
          "divalent"
        ],
        [
          "radical",
          "radical"
        ],
        [
          "hydrogen",
          "hydrogen"
        ],
        [
          "heptane",
          "heptane"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The divalent radical obtained by removing a hydrogen atom from each end of a n-heptane molecule."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "heptamethylene"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hepta",
        "3": "methylene"
      },
      "expansion": "hepta- + methylene",
      "name": "pre"
    }
  ],
  "etymology_text": "From hepta- + methylene.",
  "forms": [
    {
      "form": "heptamethylenes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "heptamethylene (plural heptamethylenes)",
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      "glosses": [
        "The divalent radical obtained by removing a hydrogen atom from each end of a n-heptane molecule."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "divalent",
          "divalent"
        ],
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          "radical",
          "radical"
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        [
          "hydrogen",
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        [
          "heptane",
          "heptane"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The divalent radical obtained by removing a hydrogen atom from each end of a n-heptane molecule."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "heptamethylene"
}