\Quin*al"dine\, n. [Quinoline + aldehyde + aniline.]
(Chem.)
A colorless liquid of a slightly pungent odor, {C9H6N.CH3},
first obtained as a condensation product of aldehyde and
aniline, and regarded as a derivative of quinoline; -- called
also {methyl quinoline}. [Written also {chinaldine}.]