( n. )
A glucoside extracted from the bark of the oak (Quercus) as a bitter citron-yellow crystalline substance, used as a pigment and called quercitron.
( n. )
A glucoside extracted from the bark of the oak (Quercus) as a bitter citron-yellow crystalline substance, used as a pigment and called quercitron.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012