Air Pump :: Air pump () A kind of pump for exhausting air from a vessel or closed space; also, a pump to condense air or force it into a closed space..
Air Pump :: Air pump () A pump used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air..
Chain Pump :: Chain pump () A pump consisting of an endless chain, running over a drum or wheel by which it is moved, and dipping below the water to be raised. The chain has at intervals disks or lifts which fit the tube through which the ascending part passes and carry the water to the point of discharge..
Force Pump :: Force pump () A pump having a solid piston, or plunger, for drawing and forcing a liquid, as water, through the valves; in distinction from a pump having a bucket, or valved piston..
Force Pump :: Force pump () A pump adapted for delivering water at a considerable height above the pump, or under a considerable pressure; in distinction from one which lifts the water only to the top of the pump or delivers it through a spout. See Illust. of Plunger pump, under Plunger..
Pump :: 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..
Pump :: Pump (v. t.) To raise with a pump, as water or other liquid..
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..
Pump :: Pump (v. t.) Figuratively, to draw out or obtain, as secrets or money, by persistent questioning or plying; to question or ply persistently in order to elicit something, as information, money, etc..
Pump :: Pump (v. i.) To work, or raise water, a pump..
Pumpage :: Pumpage (n.) That which is raised by pumps, or the work done by pumps..
Pumper :: Pumper (n.) One who pumps; the instrument or machine used in pumping.
Pumpernickel :: Pumpernickel (n.) A sort of bread, made of unbolted rye, which forms the chief food of the Westphalian peasants. It is acid but nourishing..