"leucoline" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "leuco-"
      },
      "expansion": "leuco-",
      "name": "af"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "oleum",
        "4": "",
        "5": "oil"
      },
      "expansion": "Latin oleum (“oil”)",
      "name": "der"
    }
  ],
  "etymology_text": "From leuco- + Latin oleum (“oil”).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "leucoline (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with leuco-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic compounds",
          "orig": "en:Organic compounds",
          "parents": [
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            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "quinoline."
      ],
      "id": "en-leucoline-en-noun-b7FesAWX",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "quinoline",
          "quinoline"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry, archaic) quinoline."
      ],
      "tags": [
        "archaic",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "leucoline"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "leuco-"
      },
      "expansion": "leuco-",
      "name": "af"
    },
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "oleum",
        "4": "",
        "5": "oil"
      },
      "expansion": "Latin oleum (“oil”)",
      "name": "der"
    }
  ],
  "etymology_text": "From leuco- + Latin oleum (“oil”).",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "leucoline (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms derived from Latin",
        "English terms prefixed with leuco-",
        "English terms with archaic senses",
        "English uncountable nouns",
        "en:Organic compounds"
      ],
      "glosses": [
        "quinoline."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "quinoline",
          "quinoline"
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      ],
      "raw_glosses": [
        "(organic chemistry, archaic) quinoline."
      ],
      "tags": [
        "archaic",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "leucoline"
}