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Pronunciation varies by accent · noun
(organic chemistry) Any of six isomeric aromatic azines, but especially 2,4-dinitrophenylhydrazine that is used as a reagent in the analysis of aldehydes and ketones.
Use dinitrophenylhydrazine when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Dinitrophenylhydrazine means (organic chemistry) Any of six isomeric aromatic azines, but especially 2,4-dinitrophenylhydrazine that is used as a reagent in the analysis of aldehydes and ketones.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use dinitrophenylhydrazine where its definition matches the intended context.
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