"pentaene" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "penta",
        "3": "ene"
      },
      "expansion": "penta- + -ene",
      "name": "confix"
    }
  ],
  "etymology_text": "From penta- + -ene.",
  "forms": [
    {
      "form": "pentaenes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "pentaene (plural pentaenes)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
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          "_dis": "76 24",
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          "source": "w+disamb"
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        {
          "_dis": "56 44",
          "kind": "other",
          "name": "English terms prefixed with penta-",
          "parents": [],
          "source": "w+disamb"
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        {
          "_dis": "72 28",
          "kind": "other",
          "name": "English terms suffixed with -ene",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "76 24",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
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          "_dis": "78 22",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Any compound having five carbon-carbon double bonds"
      ],
      "id": "en-pentaene-en-noun-GDeM1opx",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "double bond",
          "double bond"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry, especially in combination) Any compound having five carbon-carbon double bonds"
      ],
      "tags": [
        "especially",
        "in-compounds"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    },
    {
      "glosses": [
        "An intermediate (unreduced) product in Torgov steroid synthesis"
      ],
      "id": "en-pentaene-en-noun-BKNq6usM",
      "qualifier": "steroid chemistry",
      "raw_glosses": [
        "(steroid chemistry) An intermediate (unreduced) product in Torgov steroid synthesis"
      ]
    }
  ],
  "word": "pentaene"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with penta-",
    "English terms suffixed with -ene",
    "Pages with 1 entry",
    "Pages with entries"
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  "etymology_templates": [
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        "2": "penta",
        "3": "ene"
      },
      "expansion": "penta- + -ene",
      "name": "confix"
    }
  ],
  "etymology_text": "From penta- + -ene.",
  "forms": [
    {
      "form": "pentaenes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Organic chemistry"
      ],
      "glosses": [
        "Any compound having five carbon-carbon double bonds"
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "double bond",
          "double bond"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry, especially in combination) Any compound having five carbon-carbon double bonds"
      ],
      "tags": [
        "especially",
        "in-compounds"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    },
    {
      "glosses": [
        "An intermediate (unreduced) product in Torgov steroid synthesis"
      ],
      "qualifier": "steroid chemistry",
      "raw_glosses": [
        "(steroid chemistry) An intermediate (unreduced) product in Torgov steroid synthesis"
      ]
    }
  ],
  "word": "pentaene"
}