Definition of lever
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Lever (n.) A rigid piece which is capable of turning about one point, or axis (the fulcrum), and in which are two or more other points where forces are applied; -- used for transmitting and modifying force and motion. Specif., a bar of metal, wood, or other rigid substance, used to exert a pressure, or sustain a weight, at one point of its length, by receiving a force or power at a second, and turning at a third on a fixed point called a fulcrum. It is usually named as the first of the six mecha
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Pull ::
Pull (n.) A knob, handle, or lever, etc., by which anything is pulled; as, a drawer pull; a bell pull..
Bite ::
Bite (v.) The hold which the short end of a lever has upon the thing to be lifted, or the hold which one part of a machine has upon another..
Brake ::
Brake (v. t.) A piece of mechanism for retarding or stopping motion by friction, as of a carriage or railway car, by the pressure of rubbers against the wheels, or of clogs or ratchets against the track or roadway, or of a pivoted lever against a wheel or drum in a machine..
Heterodromous ::
Heterodromous (a.) Moving in opposite directions; -- said of a lever, pulley, etc., in which the resistance and the actuating force are on opposite sides of the fulcrum or axis..
Power ::
Power (n.) Applied force; force producing motion or pressure; as, the power applied at one and of a lever to lift a weight at the other end..
Rock Shaft ::
Rock shaft () A shaft that oscillates on its journals, instead of revolving, -- usually carrying levers by means of which it receives and communicates reciprocating motion, as in the valve gear of some steam engines; -- called also rocker, rocking shaft, and way shaft..
Able ::
Able (superl.) Specially: Having intellectual qualifications, or strong mental powers; showing ability or skill; talented; clever; powerful; as, the ablest man in the senate; an able speech..
Pinch ::
Pinch (n.) A lever having a projection at one end, acting as a fulcrum, -- used chiefly to roll heavy wheels, etc. Called also pinch bar..
Leveret ::
Leveret (n.) A hare in the first year of its age.
Driver ::
Driver (n.) A part that transmits motion to another part by contact with it, or through an intermediate relatively movable part, as a gear which drives another, or a lever which moves another through a link, etc. Specifically:.
Differential ::
Differential (a.) Relating to differences of motion or leverage; producing effects by such differences; said of mechanism.
Neptune ::
Neptune (n.) The remotest known planet of our system, discovered -- as a result of the computations of Leverrier, of Paris -- by Galle, of Berlin, September 23, 1846. Its mean distance from the sun is about 2,775,000,000 miles, and its period of revolution is about 164,78 years..
Spanner ::
Spanner (n.) An iron instrument having a jaw to fit a nut or the head of a bolt, and used as a lever to turn it with; a wrench; specifically, a wrench for unscrewing or tightening the couplings of hose..
Drumhead ::
Drumhead (n.) The top of a capstan which is pierced with sockets for levers used in turning it. See Illust. of Capstan.
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