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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.

d 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.

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

to 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,…

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

itation 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.

use, for baking pottery, etc.; as, an iron furnace; a hot-air furnace; a glass furnace; a boiler furnace, etc.

A deposit from water, as on the inside of a boiler; also, the operation of cleaning away this deposit.

n, which melts at a temperature below that of boiling water. Ure. -- Fusible plug (Steam Boiler), a piece of easily fusible alloy, placed in one of the sheets and intended to melt and blow off the steam in case of low water.

a stop cock used as a try cock for ascertaining the height of the water level in a steam boiler. -- Gauge concussion (Railroads), the jar caused by a car-wheel flange striking the edge of the rail. -- Gauge glass, a glass tube for a water gauge. -- Gauge lathe, an automatic lathe for turning a round object having a…

or gas is formed from a liquid or solid by means of heat or chemical process, as a steam boiler, gas retort, or vessel for generating carbonic acid gas, etc.

d, or kind of basket, of iron bars, for holding fuel while burning. Grate surface (Steam, Boiler) the area of the surface of the grate upon which the fuel lies in the furnace.

A small hole in a boiler for the insertion of the hand in cleaning, etc. Hand-hole plate, the cover of a hand-hole.

overs and closes the top or the end of a hollow vessel; as, the head of a cask or a steam boiler.

citing action; stimulating; as, heating medicines or applications. Heating surface (Steam Boilers), the aggregate surface exposed to fire or to the heated products of combustion, esp. of all the plates or sheets that are exposed to water on their opposite surfaces; -- called also fire surface.

for the hot water drawn from the condenser by the air pump. This water is returned to the boiler, being drawn from the hot well by the feed pump. -- In hot water (Fig.), in trouble; in difficulties. [Colloq.]