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Pronunciation varies by accent · noun
(organic chemistry) Any of very many isomers of an alkene having eighteen carbon atoms and one double bond.
Use octadecene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Octadecene means (organic chemistry) Any of very many isomers of an alkene having eighteen carbon atoms and one double bond.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use octadecene where its definition matches the intended context.
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