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/ˈhɛpteɪn/ · noun
(organic chemistry) Any of the nine isomers of the saturated aliphatic hydrocarbon C₇H₁₆, obtained from petroleum, especially n-heptane (CH₃(CH₂)₅CH₃).
Use heptane when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heptane means (organic chemistry) Any of the nine isomers of the saturated aliphatic hydrocarbon C₇H₁₆, obtained from petroleum, especially n-heptane (CH₃(CH₂)₅CH₃).
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use heptane where its definition matches the intended context.
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