"pyrene" meaning in English

{
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pyr",
        "3": "ene"
      },
      "expansion": "pyr- + -ene",
      "name": "confix"
    }
  ],
  "etymology_text": "From pyr- + -ene.",
  "forms": [
    {
      "form": "pyrenes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pyrene (plural pyrenes)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "68 32",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w+disamb"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with pyr-",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -ene",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "56 44",
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          "parents": [
            "Undefined derivations",
            "Entry maintenance"
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        }
      ],
      "derived": [
        {
          "word": "benzopyrene"
        },
        {
          "word": "dibenzopyrene"
        },
        {
          "word": "polypyrene"
        },
        {
          "word": "pyrenic"
        },
        {
          "word": "circumpyrene"
        },
        {
          "word": "pyrenoid"
        }
      ],
      "glosses": [
        "A polycyclic aromatic hydrocarbon containing four fused benzene rings; first isolated from coal tar"
      ],
      "id": "en-pyrene-en-noun-L3yMBbFM",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "polycyclic",
          "polycyclic"
        ],
        [
          "aromatic",
          "aromatic"
        ],
        [
          "hydrocarbon",
          "hydrocarbon"
        ],
        [
          "benzene ring",
          "benzene ring"
        ],
        [
          "coal tar",
          "coal tar"
        ]
      ],
      "raw_glosses": [
        "(chemistry) A polycyclic aromatic hydrocarbon containing four fused benzene rings; first isolated from coal tar"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "hydrocarbon",
          "tags": [
            "masculine"
          ],
          "word": "pirè"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "hydrocarbon",
          "word": "pyreeni"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "hydrocarbon",
          "tags": [
            "masculine"
          ],
          "word": "pirene"
        }
      ]
    }
  ],
  "wikipedia": [
    "pyrene"
  ],
  "word": "pyrene"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "πῡρήν",
        "4": "",
        "5": "fruit-stone"
      },
      "expansion": "Ancient Greek πῡρήν (pūrḗn, “fruit-stone”)",
      "name": "uder"
    }
  ],
  "etymology_text": "From Ancient Greek πῡρήν (pūrḗn, “fruit-stone”).",
  "forms": [
    {
      "form": "pyrenes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pyrene (plural pyrenes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Botany",
          "orig": "en:Botany",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A pyrena; a nutlet resembling a seed, or the kernel/stone of a drupe."
      ],
      "id": "en-pyrene-en-noun-aCpcYALR",
      "links": [
        [
          "botany",
          "botany"
        ],
        [
          "pyrena",
          "pyrena#English"
        ],
        [
          "nutlet",
          "nutlet"
        ],
        [
          "kernel",
          "kernel"
        ],
        [
          "stone",
          "stone"
        ],
        [
          "drupe",
          "drupe"
        ]
      ],
      "raw_glosses": [
        "(botany) A pyrena; a nutlet resembling a seed, or the kernel/stone of a drupe."
      ],
      "topics": [
        "biology",
        "botany",
        "natural-sciences"
      ]
    }
  ],
  "wikipedia": [
    "pyrene"
  ],
  "word": "pyrene"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms derived from Ancient Greek",
    "English terms prefixed with pyr-",
    "English terms suffixed with -ene",
    "English undefined derivations"
  ],
  "derived": [
    {
      "word": "benzopyrene"
    },
    {
      "word": "dibenzopyrene"
    },
    {
      "word": "polypyrene"
    },
    {
      "word": "pyrenic"
    },
    {
      "word": "circumpyrene"
    },
    {
      "word": "pyrenoid"
    }
  ],
  "etymology_number": 1,
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pyr",
        "3": "ene"
      },
      "expansion": "pyr- + -ene",
      "name": "confix"
    }
  ],
  "etymology_text": "From pyr- + -ene.",
  "forms": [
    {
      "form": "pyrenes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pyrene (plural pyrenes)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Chemistry"
      ],
      "glosses": [
        "A polycyclic aromatic hydrocarbon containing four fused benzene rings; first isolated from coal tar"
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "polycyclic",
          "polycyclic"
        ],
        [
          "aromatic",
          "aromatic"
        ],
        [
          "hydrocarbon",
          "hydrocarbon"
        ],
        [
          "benzene ring",
          "benzene ring"
        ],
        [
          "coal tar",
          "coal tar"
        ]
      ],
      "raw_glosses": [
        "(chemistry) A polycyclic aromatic hydrocarbon containing four fused benzene rings; first isolated from coal tar"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "hydrocarbon",
      "tags": [
        "masculine"
      ],
      "word": "pirè"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "hydrocarbon",
      "word": "pyreeni"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "hydrocarbon",
      "tags": [
        "masculine"
      ],
      "word": "pirene"
    }
  ],
  "wikipedia": [
    "pyrene"
  ],
  "word": "pyrene"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms derived from Ancient Greek",
    "English undefined derivations"
  ],
  "etymology_number": 2,
  "etymology_templates": [
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      "args": {
        "1": "en",
        "2": "grc",
        "3": "πῡρήν",
        "4": "",
        "5": "fruit-stone"
      },
      "expansion": "Ancient Greek πῡρήν (pūrḗn, “fruit-stone”)",
      "name": "uder"
    }
  ],
  "etymology_text": "From Ancient Greek πῡρήν (pūrḗn, “fruit-stone”).",
  "forms": [
    {
      "form": "pyrenes",
      "tags": [
        "plural"
      ]
    }
  ],
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    {
      "args": {},
      "expansion": "pyrene (plural pyrenes)",
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  ],
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  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Botany"
      ],
      "glosses": [
        "A pyrena; a nutlet resembling a seed, or the kernel/stone of a drupe."
      ],
      "links": [
        [
          "botany",
          "botany"
        ],
        [
          "pyrena",
          "pyrena#English"
        ],
        [
          "nutlet",
          "nutlet"
        ],
        [
          "kernel",
          "kernel"
        ],
        [
          "stone",
          "stone"
        ],
        [
          "drupe",
          "drupe"
        ]
      ],
      "raw_glosses": [
        "(botany) A pyrena; a nutlet resembling a seed, or the kernel/stone of a drupe."
      ],
      "topics": [
        "biology",
        "botany",
        "natural-sciences"
      ]
    }
  ],
  "wikipedia": [
    "pyrene"
  ],
  "word": "pyrene"
}