The Collaborative International Dictionary of English v.0.48:
alkane \alkane\ n. (Chem.) a non-aromatic saturated acyclic hydrocarbon with the general formula CnH(2n+2). A member of the alkane series. [WordNet 1.5]WordNet (r) 3.0 (2006):
alkane n 1: a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2) [syn: methane series, alkane series, alkane, paraffin series, paraffin]