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point of the curve mr + m'r' = c, where r and r' are the distances of the point from the two foci and m, m' and c are constant; -- used by Descartes.

A system or method of connecting and operating two induction motors so that the primary circuit of one is connected to the secondary circuit of the other, the primary circuit of the latter being connected to the source of supply; also, a system of electric traction in which motors so connected are employed. The cascade…

The space between two principals or girders.

A game at cards, played by two or more persons, usually for twenty-one points. Great cassino, the ten of diamonds. -- Little cassino, the two of spades.

Two small, concave shells of ivory or hard wood, shaped like spoons, fastened to the thumb, and beaten together with the middle finger; -- used by the Spaniards and Moors as an accompaniment to their dance and guitars.

the northernmost of the two bright stars in the constellation Gemini, the other being Pollux.

A peculiar bitter orange-brown substance, with strong, penetrating odor, found in two sacs between the anus and external genitals of the beaver; castor; -- used in medicine as an antispasmodic, and by perfumers.

See Tipcat. (c) A game of ball, called, according to the number of batters, one old cat, two old cat, etc.

One of two small holes astern, above the gunroom ports, through which hawsers may be passed.

am, in which the descending portion of the curve is marked by secondary elevations due to two or more expansions of the artery in the same beat. -- Ca*tac"rotism (#), n.

A kind of raft or float, consisting of two or more logs or pieces of wood lashed together, and moved by paddles or sail; -- used as a surf boat and for other purposes on the coasts of the East and West Indies and South America. Modified forms are much used in the lumber regions of North America, and at life-saving stat…

Any crop grown between the rows of another crop or intermediate between two crops in ordinary rotation in point of time. -- Catch"- crop`ping, n.

med by a rope or chain of uniform density and perfect flexibility, hanging freely between two points of suspension, not in the same vertical line.

getables, being often very destructive, Many of them are popularly called worms, as the cutworm, cankerworm, army worm, cotton worm, silkworm.

all differences of height; esp. of the differences in the height of the upper surfaces of two columns of mercury or other fluid, or of the same column at different times. It consists of a telescopic leveling apparatus (d), which slides up or down a perpendicular metallic standard very finely graduated (bb). The telesco…

ling perpendicularly on another; as, the catheti of a right-angled triangle, that is, the two sides that include the right angle. Barlow.

A covering of network for the head, worn by women; also, a net. Spenser.

ontaining a cause or causes; expressing a cause; causative. Causal propositions are where two propositions are joined by causal words. Watts.

A kind of sofa for two person. A tête-a-tête.

A block in which two or more trains are permitted to travel, under restrictions imposed by a caution card or the like.