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Pronunciation varies by accent · noun
(organic chemistry) The tervalent functional group, -CH=, having one single bond and one double bond.
Use methine when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Methine means (organic chemistry) The tervalent functional group, -CH=, having one single bond and one double bond.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use methine where its definition matches the intended context.
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