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Pronunciation varies by accent · 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..
Use azulene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Azulene means (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..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use azulene where its definition matches the intended context.
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