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Pronunciation varies by accent · noun
(organic chemistry) The delocalized carbenium ion cycloheptatrienylium, C₇H₇⁺, derived from cycloheptatriene, or any of its derivatives..
Use tropylium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Tropylium means (organic chemistry) The delocalized carbenium ion cycloheptatrienylium, C₇H₇⁺, derived from cycloheptatriene, or any of its derivatives..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use tropylium where its definition matches the intended context.
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