Meanings
plural butyls
- chemistryAny 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.
Synonyms & antonyms
Origin
PIE word *gʷṓws Etymology tree Proto-Indo-European *gʷṓws Proto-Hellenic *gʷous Ancient Greek βοῦς (boûs) Proto-Indo-European *tewh₂- Proto-Indo-European *-rós Proto-Indo-European *tuh₂rós Proto-Hellenic *tūrós Ancient Greek τῡρός (tūrós) Ancient Greek βούτῡρος (boútūros)der. English but- Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. Frenchder. English -yl English butyl From but- + -yl.
Full word history & related roots →Translations
Catalan butil
- butilany of four isomeric univalent hydrocarbon radicals, C4H9
Finnish butyyli
- butyyliany of four isomeric univalent hydrocarbon radicals, C4H9
German Butyl
- Butylany of four isomeric univalent hydrocarbon radicals, C4H9
Italian butile
- butileany of four isomeric univalent hydrocarbon radicals, C4H9
Portuguese butil, butilo
- butilany of four isomeric univalent hydrocarbon radicals, C4H9
- butiloany of four isomeric univalent hydrocarbon radicals, C4H9
Romanian butil
- butilany of four isomeric univalent hydrocarbon radicals, C4H9
Spanish butilo
- butiloany of four isomeric univalent hydrocarbon radicals, C4H9
Cite this entry
butyl. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/butyl
“butyl.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/butyl. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “butyl,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/butyl.
Source: butyl on Wiktionary, CC BY-SA 4.0.