(Chem.) A liquid hydrocarbon, C11H24, of the methane series, found in petroleum; - so called from its containing eleven carbon atoms in the molecule.
undecane
undecane
[‚ən′de‚kān] (organic chemistry) CH3(CH2)9CH3 A colorless, combustible liquid, boiling at 385°F (196°C), flash point at 149°F (65°C); used as a chemical intermediate and in petroleum research. Also known as hendecane.