a. Chem. [f. QUIN-A + -IC. Cf. F. quinique.] Derived from quina. Quinic acid: a vegetable acid found chiefly in cinchona barks. Quinic fever: a fever that sometimes attacks persons engaged in the manufacture of quinine (Syd. Soc. Lex., 1897).
1814. Sir H. Davy, Agric. Chem., 108. The Kinic Acid in a Salt afforded by Peruvian bark.
1857. Miller, Elem. Chem., III. 352. Kinic [1862 quinic] acid crystallizes in colourless, oblique rhombic prisms, which have a strongly acid taste.
1860. New Sydenham Soc. Year-bk. (1861), 413. Quinic ether inhalations in ague.
1880. C. R. Markham, Peruv. Bark, 31. In 1803 another chemist found a crystalline substance in the bark which was nothing more than the combination of lime with an acid which was named quinic acid.