noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of several isomeric seven-membered, unsaturated heterocycles containing four carbon atoms, two nitrogen atoms, one oxygen atoms and three double bonds

Etymology

From oxa- + diazepine.

Related phrases

double bond

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