olefin

O1L1E1F4I1N1
/ˈəʊləfɪn/

noun

Any of a class of unsaturated open-chain hydrocarbons such as ethylene; an alkene with only one carbon-carbon double bond.

Similar
alkeneolefine
UncommonScrabble 9
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Meanings

nounolefin (plural olefins)

plural olefins · alternative olefine

  1. chemistryAny of a class of unsaturated open-chain hydrocarbons such as ethylene; an alkene with only one carbon-carbon double bond.

Synonyms & antonyms

nounany unsaturated aliphatic hydrocarbon

Similar
alkeneolefine
Broader
aliphatic compound
Also see
alkene

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From olefiant, "oil-producing".

Full word history & related roots →

Translations

Catalan olefina
  • olefinaTranslations
Finnish olefiini
  • olefiiniTranslations
French oléfine
  • oléfineTranslations
Spanish olefina
  • olefinaTranslations
Cite this entry
APA

olefin. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/olefin

MLA

“olefin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/olefin. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “olefin,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/olefin.

Source: olefin on Wiktionary, CC BY-SA 4.0.