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Pronunciation varies by accent · noun
(organic chemistry) Any trimethyl derivative of phenanthrene.
Use trimethylphenanthrene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Trimethylphenanthrene means (organic chemistry) Any trimethyl derivative of phenanthrene.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use trimethylphenanthrene where its definition matches the intended context.
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