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Pronunciation varies by accent · noun
(organic chemistry) Any of very many isomeric dialkenes having twenty-seven carbon atoms and two double bonds, but especially (Z,Z) 7,11-heptacosadiene which is a courtship pheromone in fruit flies.
Use heptacosadiene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heptacosadiene means (organic chemistry) Any of very many isomeric dialkenes having twenty-seven carbon atoms and two double bonds, but especially (Z,Z) 7,11-heptacosadiene which is a courtship pheromone in fruit flies.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use heptacosadiene where its definition matches the intended context.
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