"méthylène" meaning in French

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      "expansion": "Ancient Greek μέθυ (méthu, “wine”)",
      "name": "uder"
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  "etymology_text": "Irregular formation of Ancient Greek μέθυ (méthu, “wine”) + ὕλη (húlē, “wood”)",
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  "lang_code": "fr",
  "pos": "noun",
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          "orig": "fr:Chemistry",
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      ],
      "glosses": [
        "methylene"
      ],
      "id": "en-méthylène-fr-noun-nM2SwWVO",
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          "chemistry",
          "chemistry"
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          "methylene",
          "methylene"
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        "(chemistry) methylene"
      ],
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        "masculine",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
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    {
      "ipa": "/me.ti.lɛn/"
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    }
  ],
  "word": "méthylène"
}

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      "name": "uder"
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  ],
  "etymology_text": "Irregular formation of Ancient Greek μέθυ (méthu, “wine”) + ὕλη (húlē, “wood”)",
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        "methylene"
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          "methylene",
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      ],
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        "(chemistry) methylene"
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