Definition of pump

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Pump (n.) An hydraulic machine, variously constructed, for raising or transferring fluids, consisting essentially of a moving piece or piston working in a hollow cylinder or other cavity, with valves properly placed for admitting or retaining the fluid as it is drawn or driven through them by the action of the piston..

Lern More About Pump

Brake :: Brake (v. t.) An extended handle by means of which a number of men can unite in working a pump, as in a fire engine..
Single-acting :: Single-acting (a.) Having simplicity of action; especially (Mach.), acting or exerting force during strokes in one direction only; -- said of a reciprocating engine, pump, etc..
Limber :: Limber (n.) Gutters or conduits on each side of the keelson to afford a passage for water to the pump well.
Rose :: Rose (n.) A perforated nozzle, as of a pipe, spout, etc., for delivering water in fine jets; a rosehead; also, a strainer at the foot of a pump..
Spear :: Spear (n.) The rod to which the bucket, or plunger, of a pump is attached; a pump rod..
Gasket :: Gasket (n.) The plaited hemp used for packing a piston, as of the steam engine and its pumps..
Pumping :: pumping (p. pr. & vb. n.) of Pum.
Punkin :: Punkin (n.) A pumpkin.
Elatrometer :: Elatrometer (n.) An instrument for measuring the degree of rarefaction of air contained in the receiver of an air pump.
Pump :: Pump (v. t.) To draw water, or the like, from; to from water by means of a pump; as, they pumped the well dry; to pump a ship..
Carcel Lamp :: Carcel lamp () A French mechanical lamp, for lighthouses, in which a superabundance of oil is pumped to the wick tube by clockwork..
Pumpet :: Pumpet (n.) A pompet.
Hogger-pump :: Hogger-pump (n.) The for pump in the pit.
Pepo :: Pepo (n.) Any fleshy fruit with a firm rind, as a pumpkin, melon, or gourd. See Gourd..
Vine :: Vine (n.) Hence, a climbing or trailing plant; the long, slender stem of any plant that trails on the ground, or climbs by winding round a fixed object, or by seizing anything with its tendrils, or claspers; a creeper; as, the hop vine; the bean vine; the vines of melons, squashes, pumpkins, and other cucurbitaceous plants..
Pumpkin :: Pumpkin (n.) A well-known trailing plant (Cucurbita pepo) and its fruit, -- used for cooking and for feeding stock; a pompion..
Waterwork :: Waterwork (n.) An hydraulic apparatus, or a system of works or fixtures, by which a supply of water is furnished for useful or ornamental purposes, including dams, sluices, pumps, aqueducts, distributing pipes, fountains, etc.; -- used chiefly in the plural..
Double-acting :: Double-acting (a.) Acting or operating in two directions or with both motions; producing a twofold result; as, a double-acting engine or pump..
Station :: Station (n.) An enlargement in a shaft or galley, used as a landing, or passing place, or for the accomodation of a pump, tank, etc..
Vacuum :: Vacuum (n.) A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the interior of a closed vessel, which has been exhausted to a high or the highest degree by an air pump or other artificial means; as, water boils at a reduced temperature in a vacuum..
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