heptanePronunciation: /ˈhɛpteɪn/Definition of heptane noun Chemistry a colourless liquid hydrocarbon of the alkane series, present in petroleum spirit. Chemical formula: C7H16; several isomers, especially the straight-chain isomer ( n-heptane) Origin: late 19th century: from hepta- 'seven' (denoting seven carbon atoms) + -ane2heptane in other Oxford dictionaries Definition of heptane in the US English dictionary
