Azulene

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A bicyclic aromatic hydrocarbon containing a five- and a seven-membered fused ring; it is a blue, oily liquid first obtained from the essential oil of wormwood. uncountable
  2. 2
    Any of its derivatives. countable

Related phrases

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