butyl

== English == === Etymology === From but- +‎ -yl. === Pronunciation === IPA(key): /ˈbjuːtɪl/, /ˈbjuːtaɪl/ === Noun === butyl (plural butyls) (organic chemistry) Any of four isomeric univalent hydrocarbon radicals, C4H9, formally derived from butane by the loss of a hydrogen atom. A synthetic rubber made by the polymerization of isobutylene. ==== Derived terms ==== ==== Translations ==== == Dutch == === Etymology === From but- +‎ -yl. === Pronunciation === IPA(key): /byˈtil/ Hyphenation: bu‧tyl Rhymes: -il === Noun === butyl n (uncountable, no diminutive) (organic chemistry) butyl