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Pronunciation varies by accent · noun
(organic chemistry) Any compound formally derived from a cumulene by replacing one or more carbon atoms of the cumulative bond system by another atom e.g. O=C=C=C=O.
Use heterocumulene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heterocumulene means (organic chemistry) Any compound formally derived from a cumulene by replacing one or more carbon atoms of the cumulative bond system by another atom e.g. O=C=C=C=O.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use heterocumulene where its definition matches the intended context.
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