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Pronunciation varies by accent · noun
(organic chemistry) Any of several isomeric unsaturated aldehydes that have seven carbon atoms.
Use heptenal when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heptenal means (organic chemistry) Any of several isomeric unsaturated aldehydes that have seven carbon atoms.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use heptenal where its definition matches the intended context.
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