QUERCITE
Quer"cite, n. (Chem.)
Defn: A white crystalline substance, C6H7(OH)5, found in acorns, the fruit of the oak (Quercus). It has a sweet taste, and is regarded as a pentacid alcohol.
QUERCITIN
Quer"ci*tin, n. (Chem.)
Defn: A yellow crystalline substance, occurring quite widely distributed in the vegetable kingdom, as is apple-tree bark, horse- chestnut leaves, etc., but originally obtained by the decomposition of quercitrin. Called also meletin.
QUERCITRIN
Quer"cit*rin, n. Etym: [Cf. F. quercitrin. See Quercitron.] (Chem.)
Defn: A glucoside extracted from the bark of the oak (Quercus) as a bitter citron-yellow crystalline substance, used as a pigment and called quercitron.
QUERCITRON
Quer"cit*ron, n. Etym: [F. quercitron, the name of the name of tree;
L. quercus an oak + citrus the citron tree.]
1. The yellow inner bark of the Quercus tinctoria, the American black oak, yellow oak, dyer's oak, or quercitron oak, a large forest tree growing from Maine to eastern Texas.
2. Quercitrin, used as a pigment. See Quercitrin.
QUERCUS
Quer"cus, n. Etym: [L., an oak.] (Bot.)