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Pronunciation varies by accent · noun
(organic chemistry) any carotenoid containing an aldehyde functional group.
Use carotenal when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Carotenal means (organic chemistry) any carotenoid containing an aldehyde functional group.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use carotenal where its definition matches the intended context.
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