ethene

E1T1H4E1N1E1
UK/ˈɛθiːn/UK/ˈiːθiːn/Canada, US/ˈɛθin/Canada, US/ˈiθin/

noun

The organic chemical compound ethylene. The simplest alkene, a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C₂H₄

Similar
ethyleneolefiant gas
UncommonScrabble 9
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Meanings

nounethene (countable and uncountable, plural ethenes)

plural ethenes

  1. IUPACcountableuncountablechemistryThe organic chemical compound ethylene. The simplest alkene, a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C₂H₄
  2. countableuncountablechemistryAny alkene derived from ethylene

Synonyms & antonyms

Similar
ethyleneolefiant gas

nouna flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic

Similar
ethylene
Broader
alkeneolefineolefingas
Also see
ethylene

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

ethene. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ethene

MLA

“ethene.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ethene. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “ethene,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ethene.

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