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currents (air cooled) to give the maximum thermodynamic efficiency and to avoid excessive friction or seizing.

To make morbidly excitable, or oversensitive; to fret; as, the skin is irritated by friction; to irritate a wound by a coarse bandage.

reserve its surface from being fretted, or to wind iron chains around, to defend from the friction of a rocky bottom, or from the ice. Totten.

pulley, coupling, etc., upon a shaft, and prevent relative turning; sometimes holding by friction alone, but more frequently by its resistance to shearing, being usually embedded partly in the shaft and partly in the crank, pulley, etc.

n of a pendulum, scale beam, or other piece required to oscillate with the least possible friction. Knife-edge file. See Illust. of File.

et long, with an iron hook at one end a handle at the other, used in firing cannon with a friction tube.

semiliquid preparation of a consistence thinner than an ointment, applied to the skin by friction, esp. one used as a sedative or a stimulant.

A friction match. [U.S.]

ricates; specifically, a substance, as oil, grease, plumbago, etc., used for reducing the friction of the working parts of machinery.

Smoothness; freedom from friction; also, property, which diminishes friction; as, the lubricity of oil. Ray.

A match made of a sliver of wood tipped with a combustible substance, and ignited by friction; -- called also lucifer match, and locofoco. See Locofoco.

covering plant houses, putting beneath dishes or lamps on a table, securing rigging from friction, and the like.

l strip or splint of wood dipped at one end in a substance which can be easily ignited by friction, as a preparation of phosphorus or chlorate of potassium. Match box, a box for holding matches. -- Match tub, a tub with a perforated cover for holding slow matches for firing cannon, esp. on board ship. The tub contains…

but resembling a soft, dark-colored metal, used in the bearings of machines for obviating friction, and as a substitute for lubricants.

evice utilized in the making of a loud-speaking telephone, depending on the fact that the friction between a metallic point and a moving cylinder of moistened chalk, or a moving slip of paper, on which it rests is diminished by the passage of a current between the point and the moving surface. -- Mo`to*graph"ic (#), a.…

A friction match that contains little or no sulphur.

s, as in the mineral apatite, in bones, etc. It is used in the composition on the tips of friction matches, and for many other purposes. The molecule contains four atoms. Symbol P. Atomic weight 31.0.

To make smooth and glossy, usually by friction; to burnish; to overspread with luster; as, to polish glass, marble, metals, etc.

Made smooth and glossy, as by friction; hence, highly finished; refined; polite; as, polished plate; polished manners; polished verse.

ediate pieces, or by direct contact, and not through elastic connections, nor by means of friction, gravity, etc.; definite motion. -- Positive philosophy. See Positivism. -- Positive pole. (a) (Elec.) The pole of a battery or pile which yields positive or vitreous electricity; -- opposed to Ant: negative pole. (b) (…