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Pronunciation varies by accent · noun
(organic chemistry) Either of three isomeric aliphatic ketones that have five carbon atoms and one double bond.
Use pentenone when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pentenone means (organic chemistry) Either of three isomeric aliphatic ketones that have five carbon atoms and one double bond.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pentenone where its definition matches the intended context.
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