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Pronunciation varies by accent · noun
(organic chemistry) The unsaturated cyclic hydrocarbon, C₄H₄, that is the smallest annulene..
Use cyclobutadiene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Cyclobutadiene means (organic chemistry) The unsaturated cyclic hydrocarbon, C₄H₄, that is the smallest annulene..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use cyclobutadiene where its definition matches the intended context.
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