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Pronunciation varies by accent · noun
(organic chemistry) The antiaromatic bicyclic hydrocarbon consisting of two fused cyclopentadiene rings.
Use pentalene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pentalene means (organic chemistry) The antiaromatic bicyclic hydrocarbon consisting of two fused cyclopentadiene rings.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pentalene where its definition matches the intended context.
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