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Pronunciation varies by accent · noun
(organic chemistry, in combination) formaldehyde considered as the simplest ketone - R₂C=O.
Use methanone when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Methanone means (organic chemistry, in combination) formaldehyde considered as the simplest ketone - R₂C=O.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use methanone where its definition matches the intended context.
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