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/ˈbjuːteɪn/ · noun
(organic chemistry) A hydrocarbon (either of the two isomers of C₄H₁₀, n-butane and 2-methylpropane) found in gaseous petroleum fractions..
Use butane when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Butane means (organic chemistry) A hydrocarbon (either of the two isomers of C₄H₁₀, n-butane and 2-methylpropane) found in gaseous petroleum fractions..
Common synonyms include E943a.
The opposite depends on the specific sense.
Use butane where its definition matches the intended context.
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