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Pronunciation varies by accent · noun
(organic chemistry) The aldehyde 3-pyridinecarboxaldehyde related to nicotinic acid.
Use nicotinaldehyde when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Nicotinaldehyde means (organic chemistry) The aldehyde 3-pyridinecarboxaldehyde related to nicotinic acid.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use nicotinaldehyde where its definition matches the intended context.
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