What does "aziridine" mean?

A three-membered heterocycle containing two methylene groups and an imine; the nitrogen equivalent of ethylene oxide.

What is a synonym for "aziridine"?

Common synonyms include: azacyclopropane, azacyclopropane, ethyleneimine, ethyleneimine.

Pronounced //əˈzɪɹɪdiːn//.

//əˈzɪɹɪdiːn// noun

noun ·Rare ·Advanced level

Noun

1
A three-membered heterocycle containing two methylene groups and an imine; the nitrogen equivalent of ethylene oxide.
2
Any derivative of this basic structure. broadly

From aza- + -iridine. Aza denotes a monocycle with a single nitrogen atom, and -iridine is used to mark a three-membered monocycle.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.