| Quinaldine | 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. ] [ 1913 Webster ] |
| Quinidine | n. (Chem.) An alkaloid isomeric with, and resembling, quinine, found in certain species of cinchona, from which it is extracted as a bitter white crystalline substance; conchinine. It is used somewhat as a febrifuge. [ Written also chinidine. ] [ 1913 Webster ] |