🌐EnglishEnglishDeutschFrançaisItalianoNederlandsPolskiSvenskaРусский한국어日本語EntityQ415258· pop 10BarbierBarbier may refer to:ArticleBarbier may refer to: Barbier (surname) Barbier (crater), a feature on the Moon Barbier reaction, a reaction in organic chemistry Barbier's theorem in mathematicsAvailable in 10 languagesFrançaisDeutsch日本語РусскийItalianoCzechPolskiSvenska한국어via Wikidata sitelinks · CC0ConnectionsBarbier's theoremEntityBarbierEntity