n. [ Quinoline + aldehyde + aniline. ] (Chem.) A colorless liquid of a slightly pungent odor,
a. [ L. quinarius, from quini five each, akin to quinque five: cf. F. quinaire. See Five. ] Consisting of five; arranged by fives. Boyle. [ 1913 Webster ]
Quinary system (Zool.),
a. [ L. quini five each. ] (Bot.) Growing in sets of five; -- said especially of leaves composed of five leaflets set at the end of a common petiole. [ 1913 Webster ]
n. (Chem.) A salt of quinic acid.
n. [ Quinoline + azote. ] (Chem.) A complex nitrogenous base related to cinnoline.