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Pronunciation varies by accent · noun
(organic chemistry) the hydrocarbon methylenecyclopentadiene or any of its derivatives.
Use fulvene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Fulvene means (organic chemistry) the hydrocarbon methylenecyclopentadiene or any of its derivatives.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use fulvene where its definition matches the intended context.
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