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tively to designate the silver currency of the Mogul emperors, or the Indian rupee of 192 grains. Sicca rupee, an East Indian coin, valued nominally at about two shillings sterling, or fifty cents.

A weight of four grains; a carat; -- a term used by jewelers, and refiners of gold.

An affection of cereal grains producing a swelling which is at length resolved into a powdery sooty mass. It is caused by parasitic fungi of the genus Ustilago. Ustilago segetum, or U. Carbo, is the commonest kind; that of Indian corn is Ustilago maydis.

An arsenide of platinum occuring in grains and minute isometric crystals of tin-white color. It is found near Sudbury, Ontario Canada, and is the only known compound of platinum occuring in nature.

One of the minute grains in flowerless plants, which are analogous to seeds, as serving to reproduce the species.

A small Indian dry measure, averaging 240 grains in weight; also, a Bombay weight of 72 grains, for pearls. Simmonds.

A bean-shaped coin of Siam, worth about sixty cents; also, a weight equal to 236 grains troy. Malcom.

To tickle; as, to titillate the nose with a feather. The pungent grains of titillating dust. Pope.

A weight of British India. The standard tola is equal to 180 grains.

A kind of starch with very large, oval, flattened grains, often sold as arrowroot, and extensively used for adulterating cocoa. It is made from the rootstocks of a species of Canna, probably C. edulis, the tubers of which are edible every month in the year.

nd is divided into 12 ounces, the ounce into 20 pennyweights, and the pennyweight into 24 grains; hence, the troy ounce contains 480 grains, and the troy pound contains 5760 grains. The avoirdupois pound contains 7000 troy grains; so that 175 pounds troy equal 144 pounds avoirdupois, or 1 pound troy = 0.82286 of a poun…

renheit scale. Rankine. -- Unit of illumination, the light of a sperm candle burning 120 grains per hour. Standard gas, burning at the rate of five cubic feet per hour, must have an illuminating power equal to that of fourteen such candles. -- Unit of measure (as of length, surface, volume, dry measure, liquid measur…

A small nematode worm (Anguillula tritici) which attacks the grains of wheat in the ear. It is found in wheat affected with smut, each of the diseased grains containing a large number of the minute young of the worm.