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Pronunciation varies by accent · noun
(organic chemistry) An aromatic hydrocarbon, C₆H(CH₃)₅, obtained by methylation of xylene..
Use pentamethylbenzene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pentamethylbenzene means (organic chemistry) An aromatic hydrocarbon, C₆H(CH₃)₅, obtained by methylation of xylene..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pentamethylbenzene where its definition matches the intended context.
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