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Pronunciation varies by accent · noun
A hydrocarbon with chemical formula C₄H₄..
Use methylenecyclopropene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Methylenecyclopropene means A hydrocarbon with chemical formula C₄H₄..
Common synonyms include triafulvene.
The opposite depends on the specific sense.
Use methylenecyclopropene where its definition matches the intended context.
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