Ketol \Ke"tol\ (k[=e]"t[=o]l), n. [Ketone + indol.] (Chem.)
One of a series of series of complex nitrogenous substances,
represented by methyl ketol and related to indol.
[1913 Webster]
{Methyl ketol}, a weak organic base, obtained as a white
crystalline substance having the odor of feces.
[1913 Webster]