noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A bicyclic heterocycle containing a benzene ring fused to a quinolone, alternately it can be considered a ketone derived from a benzoquinoline

Etymology

Formed as benzo- + quinoline + -one

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