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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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..
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..
Jack ::
"Jack (n.) A portable machine variously constructed, for exerting great pressure, or lifting or moving a heavy body through a small distance. It consists of a lever, screw, rack and pinion, hydraulic press, or any simple combination of mechanical powers, working in a compact pedestal or support and operated by a lever, crank, capstan bar, etc. The name is often given to a jackscrew, which is a kind of jack..
Leveret ::
Leveret (n.) A hare in the first year of its age.
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..
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..
Abutment ::
Abutment (n.) A fixed point or surface from which resistance or reaction is obtained, as the cylinder head of a steam engine, the fulcrum of a lever, etc..
Archness ::
Archness (n.) The quality of being arch; cleverness; sly humor free from malice; waggishness.
Expert ::
Expert (a.) Taught by use, practice, or experience, experienced; having facility of operation or performance from practice; knowing and ready from much practice; clever; skillful; as, an expert surgeon; expert in chess or archery..
Sharp ::
Sharp (superl.) Of keen perception; quick to discern or distinguish; having nice discrimination; acute; penetrating; sagacious; clever; as, a sharp eye; sharp sight, hearing, or judgment..
Wrench ::
Wrench (v. t.) An instrument, often a simple bar or lever with jaws or an angular orifice either at the end or between the ends, for exerting a twisting strain, as in turning bolts, nuts, screw taps, etc.; a screw key. Many wrenches have adjustable jaws for grasping nuts, etc., of different sizes..
Grasshopper ::
Grasshopper (n.) In ordinary square or upright pianos of London make, the escapement lever or jack, so made that it can be taken out and replaced with the key; -- called also the hopper..
Cross-tail ::
Cross-tail (n.) A bar connecting the ends of the side rods or levers of a backaction or side-lever engine.
Lever ::
Lever (n.) An arm on a rock shaft, to give motion to the shaft or to obtain motion from it..
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