"tetramethylene" meaning in English

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  "etymology_text": "From tetra- + methylene.",
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      "form": "tetramethylenes",
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      "glosses": [
        "A hypothetical hydrocarbon, C₄H₈, analogous to trimethylene, and regarded as the base of well-known series or derivatives."
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      "id": "en-tetramethylene-en-noun-PsaUmTw~",
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          "analogous",
          "analogous"
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        [
          "trimethylene",
          "trimethylene"
        ],
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          "base",
          "base"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) A hypothetical hydrocarbon, C₄H₈, analogous to trimethylene, and regarded as the base of well-known series or derivatives."
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        "chemistry",
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        "organic-chemistry",
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        {
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      "glosses": [
        "An isomeric radical used to designate certain compounds which are really related to butylene."
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          "compound",
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          "butylene",
          "butylene"
        ]
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        "(chemistry) An isomeric radical used to designate certain compounds which are really related to butylene."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "tetramethylene"
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  "etymology_text": "From tetra- + methylene.",
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        "(organic chemistry) A hypothetical hydrocarbon, C₄H₈, analogous to trimethylene, and regarded as the base of well-known series or derivatives."
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