Definition of screw

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Screw (n.) A straight line in space with which a definite linear magnitude termed the pitch is associated (cf. 5th Pitch, 10 (b)). It is used to express the displacement of a rigid body, which may always be made to consist of a rotation about an axis combined with a translation parallel to that axis..

Lern More About Screw

Worm :: Worm (n.) A short revolving screw, the threads of which drive, or are driven by, a worm wheel by gearing into its teeth or cogs. See Illust. of Worm gearing, below..
Screw-driver :: Screw-driver (n.) A tool for turning screws so as to drive them into their place. It has a thin end which enters the nick in the head of the screw.
Drill Press :: Drill press () A machine for drilling holes in metal, the drill being pressed to the metal by the action of a screw..
Screw :: Screw (n.) An amphipod crustacean; as, the skeleton screw (Caprella). See Sand screw, under Sand..
Crick :: Crick (n.) A small jackscrew.
Screw :: Screw (v. t.) To force; to squeeze; to press, as by screws..
Screw :: Screw (n.) Anything shaped or acting like a screw; esp., a form of wheel for propelling steam vessels. It is placed at the stern, and furnished with blades having helicoidal surfaces to act against the water in the manner of a screw. See Screw propeller, below..
Thread :: Thread (n.) The prominent part of the spiral of a screw or nut; the rib. See Screw, n., 1..
Mesquit :: Mesquit (n.) A name for two trees of the southwestern part of North America, the honey mesquite, and screw-pod mesquite..
Propeller :: Propeller (n.) A steamboat thus propelled; a screw steamer.
Bed Screw :: Bed screw () A form of jack screw for lifting large bodies, and assisting in launching..
Mill :: Mill (n.) To make a raised border around the edges of, or to cut fine grooves or indentations across the edges of, as of a coin, or a screw head; also, to stamp in a coining press; to coin..
Pandanus :: Pandanus (n.) A genus of endogenous plants. See Screw pine.
Fillet :: Fillet (n.) The thread of a screw.
Blank :: Blank (n.) A piece of metal prepared to be made into something by a further operation, as a coin, screw, nuts..
Wash :: Wash (n.) The backward current or disturbed water caused by the action of oars, or of a steamer's screw or paddles, etc..
Spiral :: Spiral (a.) Winding round a cylinder or imaginary axis, and at the same time rising or advancing forward; winding like the thread of a screw; helical..
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..
Bush :: Bush (n.) A piece of copper, screwed into a gun, through which the venthole is bored..
Chase :: Chase (v. t.) To cut, so as to make a screw thread..
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