noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The bicyclic heterocycle benzofuran. countable, uncountable
2. 2
   a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins wordnet

Synonyms

All synonyms

benzofuranbenzofurancumarone

Etymology

From French coumarine + -one.

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