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Pronunciation varies by accent · noun
(chemistry) Any of three isomeric chemical compounds: 1,2,3-trimethylbenzene, 1,2,4-trimethylbenzene (pseudocumene), and 1,3,5-trimethylbenzene (mesitylene)..
Use trimethylbenzene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Trimethylbenzene means (chemistry) Any of three isomeric chemical compounds: 1,2,3-trimethylbenzene, 1,2,4-trimethylbenzene (pseudocumene), and 1,3,5-trimethylbenzene (mesitylene)..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use trimethylbenzene where its definition matches the intended context.
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