Webster's Revised Unabridged Dictionary · 1913

Quinaldine

Quinaldine , noun

[Quinoline + aldehyde + aniline.]

(Chemistry) 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.