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One who plunders or pillages; a spoiler; a robber.

To soften by heat and moisture; to expose to a gentle heat in a boiler or matrass, as a preparation for chemical operations.

receptacle, into a fluid and removing a part; -- often with out; as, to dip water from a boiler; to dip out water.

f a building; as the upper part of a furnace, the vertical steam chamber on the top of a boiler, etc.

engine, a small auxiliary engine not used for propelling, but for pumping water into the boilers, raising heavy weights, and like purposes. -- Donkey pump, a steam pump for feeding boilers, extinguishing fire, etc.; -- usually an auxiliary. -- Donkey's eye (Bot.), the large round seed of the Mucuna pruriens, a tropic…

ng combustible gases downward from the top of the blast furnace to the hot-blast stoves, boilers, etc., where they are burned.

constructors of it. -- Dry pipe (Steam Engine), a pipe which conducts dry steam from a boiler. -- Dry plate (Photog.), a glass plate having a dry coating sensitive to light, upon which photographic negatives or pictures can be made, without moistening. -- Dry-plate process, the process of photographing with dry pla…

Specifically: (Steam Boilers) An arrangement of pipes for heating feed water by waste heat in the gases passing to the chimney.

f currents from the conducting wires, caused by defective insulation. Escape pipe (Steam Boilers), a pipe for carrying away steam that escapes through a safety valve. -- Escape valve (Steam Engine), a relief valve; a safety valve. See under Relief, and Safety. -- Escape wheel (Horol.), the wheel of an escapement.…

of Essex evaporated his thoughts in a sonnet. Sir. H. Wotton. Evaporating surface (Steam Boilers), that part of the heating surface with which water is in contact.

The operation of steam in a cylinder after its communication with the boiler has been cut off, by which it continues to exert pressure upon the moving piston.

a loud report; to detonate, as a shell filled with powder or the like material, or as a boiler from too great pressure of steam.

nd loud noise, because of internal pressure; as, the explosion of a gun, a bomb, a steam boiler, etc.

o furnish for consumption; as, to feed out turnips to the cows; to feed water to a steam boiler.

A device for supplying steam boilers with water as needed.

causes them to appear as if burnt by fire. -- Fire box, the chamber of a furnace, steam boiler, etc., for the fire. -- Fire brick, a refractory brick, capable of sustaining intense heat without fusion, usually made of fire clay or of siliceous material, with some cementing substance, and used for lining fire boxes, e…

llow, metallic ball of a self-acting faucet, which floats upon the water in a cistern or boiler.

tation or fermentation; froth; spume; scum; as, the foam of the sea. Foam cock, in steam boilers, a cock at the water level, to blow off impurities.

The skeleton structure which supports the boiler and machinery of a locomotive upon its wheels.

The deposit formed on the interior of boilers and other vessels by hard water.