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Pronunciation varies by accent · noun
(organic chemistry) Any of three isomeric aliphatic alkenes containing four carbon atoms and one double bond; their polymers are used as synthetic rubber..
Use butylene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Butylene means (organic chemistry) Any of three isomeric aliphatic alkenes containing four carbon atoms and one double bond; their polymers are used as synthetic rubber..
Common synonyms include butene.
The opposite depends on the specific sense.
Use butylene where its definition matches the intended context.
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