🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsالعربيةفارسی中文日本語EntityQ6823973· pop 17· linked from 232 articlesmethylene bridgeAlso known as methanediyl groupany part of a molecule with the chemical formula –CH2–Available in 17 languagesEspañolFrançais中文日本語PortuguêsItalianoالعربيةBasqueCatalanCzechGreekConnectionscarbonylEntitythioesterEntityCategoriesFunctional groups