quinic acid [kwin-ik] Word Origin noun Chemistry.
- a white, crystalline, water-soluble, solid cyclic compound, C7H12O6, present in cinchona bark, coffee beans, and the leaves of many plants.
Also chinic acid. Origin of quinic acid 1805–15; Spanish quin(a) quinine + -ic British Dictionary definitions for quinic acid quinic acid noun
- a white crystalline soluble optically active carboxylic acid, found in cinchona bark, bilberries, coffee beans, and the leaves of certain other plants; 1,3,4,5-tetrahydroxycyclohexanecarboxylic acid. Formula: C 6 H 7 (OH) 4 COOH