HEPTANE Meaning of HEPTANE in English transcription, транскрипция: [ ˈhepteɪn ]n. Chem. a liquid hydrocarbon of the alkane series, obtained from petroleum. °Chem. formula: C[7]H[16]. [HEPTA- + -ANE] English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012