Of, pertaining to, or derived from quinine

(organic chemistry) A white crystalline acid, tetrahydroxy-cyclohexanecarboxylic acid, obtained from cinchona bark, coffee beans and yerba mate; used as an astringent, and in the synthesis of pharmaceuticals

plural of quinicine

(organic chemistry, archaic) An uncrystallizable alkaloid obtained by the action of heat from quinine, with which it is isomeric.

Misspelling of quinacrine.

(organic chemistry) quinicine; quinotoxine