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Pronunciation varies by accent · noun
(organic chemistry) A polycyclic aromatic hydrocarbon with five fused benzene rings..
Use pentaphene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pentaphene means (organic chemistry) A polycyclic aromatic hydrocarbon with five fused benzene rings..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pentaphene where its definition matches the intended context.
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