English Dictionary

azulene

noun

(organic chemistry, uncountable) 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.

Azulene is a compound commonly found in chamomile oil.

意味（1）

(organic chemistry, uncountable) 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.

意味（2）

(organic chemistry, countable) Any of its derivatives.