the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > alkanes > straight-chained by number of carbon atoms > eleven > isomer of (2)
A saturated liquid hydrocarbon present in petroleum; = undecane n. at undec-, comb._form affix. Also n-hendecane.
any of a series of isomeric hydrocarbons C11H24, esp. the liquid unbranched member CH3(CH2)9CH3.