epoxide

E1P3O1X8I1D2E1
US/ˈipɑksaɪd/

noun

Any of a class of organic compound, cyclic ethers, having a three-membered ring; they are prepared by the selective oxidation of alkenes or by ring-closure of halohydrins; used to make plastics.

Similar
alkylene oxide
UncommonScrabble 17
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Meanings

nounepoxide (plural epoxides)

plural epoxides

  1. chemistryAny of a class of organic compound, cyclic ethers, having a three-membered ring; they are prepared by the selective oxidation of alkenes or by ring-closure of halohydrins; used to make plastics.
  2. chemistryAny similar compound in which an ether linkage has been made across a larger ring.

Synonyms & antonyms

Similar
alkylene oxide
Also see
oxacyclopropane

Origin

From ep- + oxy.

Full word history & related roots →

Translations

Catalan epòxid
  • epòxidcyclic ether
Chinese Mandarin 环氧化合物
  • 环氧化合物 (huán yǎng huàhéwù)cyclic ether
Czech epoxid
  • epoxidcyclic ether
Estonian epoksiidid
  • epoksiididcyclic ether
Finnish epoksidi
  • epoksidicyclic ether
French époxyde
  • époxydecyclic ether
German Epoxid
  • Epoxidcyclic ether
Greek εποξείδιο
  • εποξείδιο (epoxeídio)cyclic ether
Italian epossido
  • epossidocyclic ether
Korean 에폭시드
  • 에폭시드 (epoksideu)cyclic ether
Polish epoksyd, epitlenek
  • epoksydcyclic ether
  • epitlenekcyclic ether
  • oksirancyclic ether
Portuguese epóxido
  • epóxidocyclic ether
Russian эпоксиды
  • эпоксиды (epoksidy)cyclic ether
Spanish epóxido
  • epóxidocyclic ether
Cite this entry
APA

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

MLA

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

Chicago

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

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