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Any exhalation. "A steam og rich, distilled perfumes." Milton. Dry steam, steam which does not contain water held in suspension mechanically; -- sometimes applied to superheated steam. -- Exhaust steam. See under Exhaust. -- High steam, or High-pressure steam, steam of which the pressure greatly exceeds that of the a…

An engine moved by steam.

A boat or vessel propelled by steam power; -- generally used of river or coasting craft, as distinguished from ocean steamers.

The occupation or business of running a steamboat, or of transporting merchandise, passengers, etc., by steamboats.

A vessel propelled by steam; a steamship or steamboat.

The quality or condition of being steamy; vaporousness; mistness.

A ship or seagoing vessel propelled by the power of steam; a steamer.

Consisting of, or resembling, steam; full of steam; vaporous; misty. Cowper.

A freight steamer having a high hatch coaming extending almost continuously fore and aft, but not of whaleback form at the sides.

A whaleback steamer with a hatch coaming, usually about seven feet high, extending almost continuously fore and aft.

sed vessel (as a globe or cylinder) with one or more projecting bent tubes, through which steam is made to pass from the vessel, causing it to revolve. [Written also eolipile.]

time. The gate would have been shut against her. Fielding. An argument against the use of steam. Tyndale.

A pump used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air.

ur, to wake from sleep, or excite attention. -- Alarm gauge, a contrivance attached to a steam boiler for showing when the pressure of steam is too high, or the water in the boiler too low. -- Alarm post, a place to which troops are to repair in case of an alarm.

tal, as a ship of war; steel-clad. This day will be launched . . . the first armor-plated steam frigate in the possession of Great Britain. Times (Dec. 29, 1860).

nt on the atmosphere. [R.] In am so atmospherical a creature. Pope. Atmospheric engine, a steam engine whose piston descends by the pressure of the atmosphere, when the steam which raised it is condensed within the cylinder. Tomlinson. -- Atmospheric line (Steam Engin.), the equilibrium line of an indicator card. Stea…

A kind of French stewpan with a steamtight lid. Knight.

ines (using volatile inflammable liquids, as gasoline or petrol, alcohol, naphtha, etc.), steam engines, or electric motors. The power of the driving motor varies from about 4 to 50 H. P. for ordinary vehicles, ranging from the run-about to the touring car, up to as high as 200 H. P. for specially built racing cars. Au…

and outer faces of a wall, or upon the haunches of an arch or vault. -- Back pressure. (Steam Engine) See under Pressure. -- Back rest, a guide attached to the slide rest of a lathe, and placed in contact with the work, to steady it in turning. -- Back slang, a kind of slang in which every word is written or pronou…

Water thrown back by the turning of a waterwheel, or by the paddle wheels of a steamer.