"butenone" meaning in English

{
  "forms": [
    {
      "form": "butenones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "butenone (countable and uncountable, plural butenones)",
      "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"
          ],
          "source": "w"
        },
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          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic compounds",
          "orig": "en:Organic compounds",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2016, Sergi Ruiz-Barragan, Kazuya Ishimura, Motoyuki Shiga, “On the hierarchical parallelization of ab initio simulations”, in arXiv:",
          "text": "The code was then used to study a Diels-Alder reaction of cyclopentadiene and butenone by ab initio string method.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The unsaturated aliphatic ketone but-3-en-2-one CH₂=CH-CO-CH₃"
      ],
      "id": "en-butenone-en-noun-d7harctb",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "unsaturated",
          "unsaturated"
        ],
        [
          "aliphatic",
          "aliphatic"
        ],
        [
          "ketone",
          "ketone"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The unsaturated aliphatic ketone but-3-en-2-one CH₂=CH-CO-CH₃"
      ],
      "synonyms": [
        {
          "word": "methyl vinyl ketone"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "butenone"
}

{
  "forms": [
    {
      "form": "butenones",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "butenone (countable and uncountable, plural butenones)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Organic compounds"
      ],
      "examples": [
        {
          "ref": "2016, Sergi Ruiz-Barragan, Kazuya Ishimura, Motoyuki Shiga, “On the hierarchical parallelization of ab initio simulations”, in arXiv:",
          "text": "The code was then used to study a Diels-Alder reaction of cyclopentadiene and butenone by ab initio string method.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The unsaturated aliphatic ketone but-3-en-2-one CH₂=CH-CO-CH₃"
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "unsaturated",
          "unsaturated"
        ],
        [
          "aliphatic",
          "aliphatic"
        ],
        [
          "ketone",
          "ketone"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The unsaturated aliphatic ketone but-3-en-2-one CH₂=CH-CO-CH₃"
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "methyl vinyl ketone"
    }
  ],
  "word": "butenone"
}