Cooper, Sir Astley Paston, a celebrated English surgeon, who was born at Brooke, in Norfolk county, England, August 23, 1768, and commenced the practice of Surgery in London, in 1792. He was appointed Surgeon to King George IV., in 1827, was created a baronet in 1821, and died February 12, 1841. He was the author of many valuable works.
Copal, a hard, shining, transparent resin, of a light citron color, brought, originally, from Spanish America, and now almost wholly from the East Indies. It is principally employed in the preparation of copal varnish.
Copper, sulphate of, see Sulphate of copper.
Copperas, (sulphate of iron, or green vitriol,) a bright green mineral substance, formed by the decomposition of a peculiar ore of iron, called pyrites, which is a sulphuret of iron. It is first in the form of a greenish-white powder, or crust, which is dissolved in water, and beautiful green crystals of copperas are obtained by evaporation. It is principally used in dyeing, and in making black ink. Its solution, mixed with a decoction of oak bark, produces a black color.
Coronary, relating to a crown or garland. In anatomy, it is applied to arteries which encompass the heart, in the manner, as it is fancied, of a garland.
Corrosive sublimate, a poisonous substance, composed of chlorine and quicksilver.
Cosmetics, preparations which some people foolishly think will preserve and beautify the skin.
Cream of tartar, see Tartar.
Crimping-iron, an instrument for crimping or curling ruffles, &c.
Curculio, a weevil or worm, which affects the fruit of the plum tree, and sometimes that of the apple tree, causing the unripe fruit to fall to the ground.