[kwur-si-tin] /ˈkwɜr sɪ tɪn/
a yellow, crystalline, slightly water-soluble powder, C 1 5 H 1 0 O 7 , obtained from the bark of the quercitron and other vegetable substances, used as a yellow dye; flavin.
a yellow crystalline pigment found naturally in the rind and bark of many plants. It is used in medicine to treat fragile capillaries. Formula: C15H10O7; melting pt: 316–7°C Also called flavin
quercetin quer·ce·tin (kwûr’sĭ-tĭn)
A yellow powdered crystalline compound produced synthetically or occurring as a glycoside in the rind and bark of numerous plants, used medicinally to treat abnormal capillary fragility. Also called meletin.
[kwer-chah] /ˈkwɛr tʃɑ/ noun 1. Jacopo Della [yah-kaw-paw del-lah] /ˈyɑ kɔ pɔ ˌdɛl lɑ/ (Show IPA), 1374?–1438, Italian sculptor. /Italian ˈkwertʃa/ noun 1. Jacopo della. See Jacopo della Quercia
[kwur-sin, -sahyn] /ˈkwɜr sɪn, -saɪn/ adjective 1. of or relating to an oak.
[kwur-si-tawl, -tol] /ˈkwɜr sɪˌtɔl, -ˌtɒl/ noun, Chemistry. 1. a colorless, crystalline, sweet, water-soluble solid, C 6 H 1 2 O 5 , obtained from acorns or oak bark: used chiefly in medicine.
[kwur-si-truh n] /ˈkwɜr sɪ trən/ noun 1. an oak, Quercus velutina, of eastern North America, the inner bark of which yields a yellow dye. 2. the bark itself. 3. the dye obtained from this bark.