Quercitron

kwer′si-tron, n. the name both of a dye-stuff and of the species of oak of which it is the bark—the Quercus coccinea of North America, also called Dyer's oak and Yellow-barked oak .— ns. Quer′cite , a sweet crystalline compound found in acorns; Quer′cit in , a yellow crystalline compound derived from quercitrin by the action of mineral acids; Quer′citrin , a glucoside, the colouring-matter of quercitron-bark. [L. quercus , oak, citrus , a tree of the lemon kind.]