MOSAIC a.
lorentine. -- Mosaic gold. (a) See Ormolu. -- (b) Stannic sulphide, SnS2, obtained as a yellow scaly crystalline powder, and used as a pigment in bronzing and gilding wood and metal work. It was called by the alchemists aurum musivum, or aurum mosaicum. Called also bronze powder. -- Mosaic work. See Mosaic, n.…
MUREXAN n.
itrogenous substance obtained from murexide, alloxantin, and other ureids, as a white, or yellowish, crystalline which turns red on exposure to the air; -- called also uramil, dialuramide, and formerly purpuric acid.
MYRRH n.
A gum resin, usually of a yellowish brown or amber color, of an aromatic odor, and a bitter, slightly pungent taste. It is valued for its odor and for its medicinal properties. It exuds from the bark of a shrub of Abyssinia and Arabia, the Balsamodendron Myrrha. The myrrh of the Bible is supposed to have been partly th…