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Pronunciation varies by accent · noun
(organic chemistry, in combination) An aromatic quaternary ammonium cation, derived from squaric acid, that is the basis of some fluorescent dyes.
Use squarylium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Squarylium means (organic chemistry, in combination) An aromatic quaternary ammonium cation, derived from squaric acid, that is the basis of some fluorescent dyes.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use squarylium where its definition matches the intended context.
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