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Arm :: Arm (n.) A slender part of an instrument or machine, projecting from a trunk, axis, or fulcrum; as, the arm of a steelyard..

Homodromous :: Homodromous (a.) Moving in the same direction; -- said of a lever or pulley in which the resistance and the actuating force are both on the same side of the fulcrum or axis.

Fulcra :: Fulcra (n. pl.) See Fulcrum.

Fulcrum :: Fulcrum (n.) That by which a lever is sustained, or about which it turns in lifting or moving a body..

Helve :: Helve (n.) A forge hammer which is lifted by a cam acting on the helve between the fulcrum and the head.

Fulcrum :: Fulcrum (n.) One of the small, spiniform scales found on the front edge of the dorsal and caudal fins of many ganoid fishes..

Steem :: Steelyard (n.) A form of balance in which the body to be weighed is suspended from the shorter arm of a lever, which turns on a fulcrum, and a counterpoise is caused to slide upon the longer arm to produce equilibrium, its place upon this arm (which is notched or graduated) indicating the weight; a Roman balance; -- very commonly used also in the plural form, steelyards..

Fulcrate :: Fulcrate (a.) Furnished with fulcrums.

Fulcrum :: Fulcrum (n.) The horny inferior surface of the lingua of certain insects.

Lever :: 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

Thole :: Thole (n.) A wooden or metal pin, set in the gunwale of a boat, to serve as a fulcrum for the oar in rowing..

Fulcrum :: Fulcrum (n.) The connective tissue supporting the framework of the retina of the eye.

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..

Glut :: Glut (n.) A block used for a fulcrum.

Machine :: Machine (n.) In general, any combination of bodies so connected that their relative motions are constrained, and by means of which force and motion may be transmitted and modified, as a screw and its nut, or a lever arranged to turn about a fulcrum or a pulley about its pivot, etc.; especially, a construction, more or less complex, consisting of a combination of moving parts, or simple mechanical elements, as wheels, levers, cams, etc., with their supports and connecting framework, calculated to

Sweep :: Sweep (n.) A long pole, or piece of timber, moved on a horizontal fulcrum fixed to a tall post and used to raise and lower a bucket in a well for drawing water..

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..

Fulcrum :: Fulcrum (n.) An accessory organ such as a tendril, stipule, spine, and the like..

Fulcrum :: Fulcrum (n.) A prop or support.

Bell Crank :: Bell crank () A lever whose two arms form a right angle, or nearly a right angle, having its fulcrum at the apex of the angle. It is used in bell pulls and in changing the direction of bell wires at angles of rooms, etc., and also in machinery..

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