Definition of screw

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Screw (n.) A cylinder, or a cylindrical perforation, having a continuous rib, called the thread, winding round it spirally at a constant inclination, so as to leave a continuous spiral groove between one turn and the next, -- used chiefly for producing, when revolved, motion or pressure in the direction of its axis, by the sliding of the threads of the cylinder in the grooves between the threads of the perforation adapted to it, the former being distinguished as the external, or male screw, or,

Lern More About Screw

Hub :: Hub (n.) A screw hob. See Hob, 3..
Knurled :: Knurled (a.) Milled, as the head of a screw, or the edge of a coin..
Breech Screw :: Breech screw () A strong iron or steel plug screwed into the breech of a musket or other firearm, to close the bottom of the bore..
Screw :: Screw (n.) A small packet of tobacco.
Thumbkin :: Thumbkin (n.) An instrument of torture for compressing the thumb; a thumbscrew.
Screw :: Screw (v. t.) To force; to squeeze; to press, as by screws..
Water Screw :: Water screw () A screw propeller.
Strip :: Strip (v. i.) To fail in the thread; to lose the thread, as a bolt, screw, or nut. See Strip, v. t., 8..
Bed Screw :: Bed screw () A long screw formerly used to fasten a bedpost to one of the adjacent side pieces.
Drag :: Drag (v. t.) The difference between the speed of a screw steamer under sail and that of the screw when the ship outruns the screw; or between the propulsive effects of the different floats of a paddle wheel. See Citation under Drag, v. i., 3..
Screw :: Screw (n.) An instructor who examines with great or unnecessary severity; also, a searching or strict examination of a student by an instructor..
Jackscrew :: "Jackscrew (n.) A jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack, n., 5..
Strombus :: Strombuliform (a.) Coiled into the shape of a screw or a helix.
Helix :: Helix (n.) A nonplane curve whose tangents are all equally inclined to a given plane. The common helix is the curve formed by the thread of the ordinary screw. It is distinguished from the spiral, all the convolutions of which are in the plane..
Screw :: Screw (v. t.) Hence: To practice extortion upon; to oppress by unreasonable or extortionate exactions.
Conveyor :: Conveyor (n.) A contrivance for carrying objects from place to place; esp., one for conveying grain, coal, etc., -- as a spiral or screw turning in a pipe or trough, an endless belt with buckets, or a truck running along a rope..
Washer :: Washer (n.) A ring of metal, leather, or other material, or a perforated plate, used for various purposes, as around a bolt or screw to form a seat for the head or nut, or around a wagon axle to prevent endwise motion of the hub of the wheel and relieve friction, or in a joint to form a packing, etc..
Pandanus :: Pandanus (n.) A genus of endogenous plants. See Screw pine.
Diestock :: Diestock (n.) A stock to hold the dies used for cutting screws.
Clamp :: Clamp (n.) An instrument with a screw or screws by which work is held in its place or two parts are temporarily held together.
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