noun Chemistry.
- a hydrocarbon, C10H22, of the methane series, occurring in several isomeric forms.
noun
- a liquid alkane hydrocarbon existing in several isomeric forms. Formula: C 10 H 22
- Any of various liquid hydrocarbons containing ten carbon atoms in a chain, attached to hydrogen atoms. Decane is the tenth member of the alkane series. Chemical formula: C10H22.