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Pronunciation varies by accent · noun
(organic chemistry) An aliphatic aldehyde that has seventeen carbon atoms.
Use heptadecanal when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heptadecanal means (organic chemistry) An aliphatic aldehyde that has seventeen carbon atoms.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use heptadecanal where its definition matches the intended context.
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