ru bellite

[Lat. rubell ( us ) = reddish; suff. ite (Min.).] Min.: A red variety of tourmaline (q. v.), occurring in crystals mostly transparent and containing lithia. Ru-běnş, s. [See def.] A celebrated Flemish painter (1577-1643). Rubens' brown, s. A pigment still in use in the Netherlands under this appellation. It is an earth of a lighter color, more ocherous texture, and of a warmer or more tawny hue than the Vandyke brown of the paint shops. It works well both in water and oil, and much resembles the brown used by Teniers. rû bê-ô lạ, s. [Mod. Latin, from Latin ruber rod. | Med.: The measles (q. v.). ru-be-o-161d, adj. [Mod. Lat. rubeola; -oid.] Resembling rubeole or measles. ru-ber-ite, subst. (Latin ruber = red; suff. -ite ( Min.).] Min.: The same as CUPRITE (q. v.). fate, făt, färe, amidst, what, fåll, 3508 rûb-e-ryth'-ric, adj. [Mod. Lat. rublia ), and English erythric.] Contained in, or derived trom madder. ruberythric-acid, s. rubidine ins cable in boiling water, soluble in boiling aicohol Alkalies di olve it with blood-red color, and neutral acetate of lead throws down orange-colored grains from its alcoholic solution, Formula uncertain. Chem.: C36H40020. A yellow substance existing in madder root, and extracted by a complicated rû-bi-an, s . [Mod. Latin rub i(a); English suff. proce from the filtrate, obtained when the decoc- -an.] lead, and the alizarin precipitate removed. It forms yellow prisms of silky luster, easily soluble in hot water, in alcohol, and in ether. By boiling with dilute acids ruberythric-acid is converted into alizarin and glucose.