"isobutylene" meaning in English

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        "2": "iso-",
        "3": "butylene"
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      "expansion": "iso- + butylene",
      "name": "af"
    },
    {
      "args": {
        "1": "en",
        "2": "isobutyl",
        "3": "-ene"
      },
      "expansion": "isobutyl + -ene",
      "name": "af"
    }
  ],
  "etymology_text": "From iso- + butylene or isobutyl + -ene?",
  "forms": [
    {
      "form": "isobutylenes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
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      "expansion": "isobutylene (countable and uncountable, plural isobutylenes)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "kind": "other",
          "name": "English terms prefixed with iso-",
          "parents": [],
          "source": "w"
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        {
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          "name": "English terms suffixed with -ene",
          "parents": [],
          "source": "w"
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          "kind": "topical",
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          "name": "Organic compounds",
          "orig": "en:Organic compounds",
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      "examples": [
        {
          "ref": "1996 April 2, Julia Campbell, “Ray McIntire, 77, Dow Engineer And the Inventor Of Styrofoam”, in The New York Times:",
          "text": "He combined styrene with isobutylene, a volatile liquid, under pressure.",
          "type": "quote"
        }
      ],
      "glosses": [
        "methylpropene; isobutene"
      ],
      "id": "en-isobutylene-en-noun-qvjTw45y",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "methylpropene",
          "methylpropene"
        ],
        [
          "isobutene",
          "isobutene"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) methylpropene; isobutene"
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "isobutylene"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "iso-",
        "3": "butylene"
      },
      "expansion": "iso- + butylene",
      "name": "af"
    },
    {
      "args": {
        "1": "en",
        "2": "isobutyl",
        "3": "-ene"
      },
      "expansion": "isobutyl + -ene",
      "name": "af"
    }
  ],
  "etymology_text": "From iso- + butylene or isobutyl + -ene?",
  "forms": [
    {
      "form": "isobutylenes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
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      "expansion": "isobutylene (countable and uncountable, plural isobutylenes)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "English terms suffixed with -ene",
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        "English uncountable nouns",
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      "examples": [
        {
          "ref": "1996 April 2, Julia Campbell, “Ray McIntire, 77, Dow Engineer And the Inventor Of Styrofoam”, in The New York Times:",
          "text": "He combined styrene with isobutylene, a volatile liquid, under pressure.",
          "type": "quote"
        }
      ],
      "glosses": [
        "methylpropene; isobutene"
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "methylpropene",
          "methylpropene"
        ],
        [
          "isobutene",
          "isobutene"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) methylpropene; isobutene"
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
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        "chemistry",
        "natural-sciences",
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      ]
    }
  ],
  "word": "isobutylene"
}