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Pronunciation varies by accent · noun
(organic chemistry) Any of several heterocyclic ketones derived from pyrimidine..
Use pyrimidinone when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pyrimidinone means (organic chemistry) Any of several heterocyclic ketones derived from pyrimidine..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pyrimidinone where its definition matches the intended context.
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