"polymethine" meaning in English

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      "expansion": "poly- + methine",
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  "etymology_text": "From poly- + methine.",
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    {
      "form": "polymethines",
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        "plural"
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      "expansion": "polymethine (plural polymethines)",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A compound made up from an odd number of methine groups bound together by alternating single and double bonds."
      ],
      "id": "en-polymethine-en-noun-FX1eDU7Q",
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          "compound",
          "compound"
        ],
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          "methine",
          "methine"
        ],
        [
          "group",
          "group"
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      "raw_glosses": [
        "(organic chemistry) A compound made up from an odd number of methine groups bound together by alternating single and double bonds."
      ],
      "related": [
        {
          "english": "a similar compound with an even number of methine groups",
          "word": "polyene"
        }
      ],
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        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
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      "wikipedia": [
        "polymethine"
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  "word": "polymethine"
}

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    {
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        "2": "poly",
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      "expansion": "poly- + methine",
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    }
  ],
  "etymology_text": "From poly- + methine.",
  "forms": [
    {
      "form": "polymethines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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  ],
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  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "english": "a similar compound with an even number of methine groups",
      "word": "polyene"
    }
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        "A compound made up from an odd number of methine groups bound together by alternating single and double bonds."
      ],
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          "organic chemistry"
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          "compound",
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      "raw_glosses": [
        "(organic chemistry) A compound made up from an odd number of methine groups bound together by alternating single and double bonds."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
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  "word": "polymethine"
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