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Pronunciation varies by accent · noun
(organic chemistry) A quaternary ammonium compound that has one or more methyl groups attached to the nitrogen atom.
Use methonium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Methonium means (organic chemistry) A quaternary ammonium compound that has one or more methyl groups attached to the nitrogen atom.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use methonium where its definition matches the intended context.
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