noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A five-membered heterocycle having three carbon atoms, one oxygen atom, one nitrogen atom and two double bonds; the 1,3- isomer is aromatic

Etymology

From oxi- + -a- + azole.

Related phrases

double bond

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