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Pronunciation varies by accent · noun
(organic chemistry) The aromatic cation composed of a benzene ring fused to one of pyrylium.
Use chromenylium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Chromenylium means (organic chemistry) The aromatic cation composed of a benzene ring fused to one of pyrylium.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use chromenylium where its definition matches the intended context.
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