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Pie :: Pie (n.) An article of food consisting of paste baked with something in it or under it; as, chicken pie; venison pie; mince pie; apple pie; pumpkin pie..

Pumped :: Pumped (imp. & p. p.) of Pum.

Air Vessel :: Air vessel () A vessel, cell, duct, or tube containing or conducting air; as the air vessels of insects, birds, plants, etc.; the air vessel of a pump, engine, etc. For the latter, see Air chamber. The air vessels of insects are called tracheae, of plants spiral vessels..

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..

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..

Piston :: Piston (n.) A sliding piece which either is moved by, or moves against, fluid pressure. It usually consists of a short cylinder fitting within a cylindrical vessel along which it moves, back and forth. It is used in steam engines to receive motion from the steam, and in pumps to transmit motion to a fluid; also for other purposes..

Box :: Box (n.) A chamber or section of tube in which a valve works; the bucket of a lifting pump.

Carcel Lamp :: Carcel lamp () A French mechanical lamp, for lighthouses, in which a superabundance of oil is pumped to the wick tube by clockwork..

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..

Cage :: Cage (n.) A wirework strainer, used in connection with pumps and pipes..

Pumping :: pumping (p. pr. & vb. n.) of Pum.

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..

Trap :: Trap (n.) A place in a water pipe, pump, etc., where air accumulates for want of an outlet..

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..

Bell Jar :: Bell jar () A glass vessel, varying in size, open at the bottom and closed at the top like a bell, and having a knob or handle at the top for lifting it. It is used for a great variety of purposes; as, with the air pump, and for holding gases, also for keeping the dust from articles exposed to view..

Fixture :: Fixture (n.) That which is fixed or attached to something as a permanent appendage; as, the fixtures of a pump; the fixtures of a farm or of a dwelling, that is, the articles which a tenant may not take away..

Stroke :: Stroke (v. t.) The movement, in either direction, of the piston plunger, piston rod, crosshead, etc., as of a steam engine or a pump, in which these parts have a reciprocating motion; as, the forward stroke of a piston; also, the entire distance passed through, as by a piston, in such a movement; as, the piston is at half stroke..

Hood :: Hood (n.) The top of a pump.

Indicator :: Indicator (n.) An instrument which draws a diagram showing the varying pressure in the cylinder of an engine or pump at every point of the stroke. It consists of a small cylinder communicating with the engine cylinder and fitted with a piston which the varying pressure drives upward more or less against the resistance of a spring. A lever imparts motion to a pencil which traces the diagram on a card wrapped around a vertical drum which is turned back and forth by a string connected with the pist

Bucket :: Bucket (n.) The valved piston of a lifting pump.

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