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Pronunciation varies by accent · noun
(organic chemistry) A cation or quaternary ammonium compound formed from indole.
Use indolinium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Indolinium means (organic chemistry) A cation or quaternary ammonium compound formed from indole.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use indolinium where its definition matches the intended context.
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