a. Chem. [See prec. and -IC.] Quinovic acid, an acid found in false cinchona bark (see quot. 1868).
1838. T. Thomson, Chem. Org. Bodies, 805. The kinovic acid of Pelletier and Caventou has considerable analogy with the oily acids.
1868. Watts, Dict. Chem., V. 31. Quinovic Acid … was originally used as a synonym for quinovin or quinova-bitter, but is now applied … to an acid produced, together with quinova-sugar, by the decomposition of quinovin.
So Quinovate, kinovate [-ATE 1 c], a salt of quinovic acid (Mayne, Expos. Lex., 1855). Quinovin, kinovin [-IN1], an amorphous bitter compound found in (false and other) cinchona-barks. Quinovite, a product of the resolution of quinovin.
1868. Watts, Dict. Chem., V. 32. Quinovin…. Quinova-bitter; formerly also called Quinovic, Quinovatic or Chiococcic acid. Ibid. (1894), IV. 392. Quinovin … occurs also in true cinchona bark … and in tormentilla root. Ibid. Resolved by acids into quinovic acid and quinovite.
