from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A closed tank in which water is converted into steam under pressure.
from The Century Dictionary.
- noun A receptacle or vessel in which water is heated and boiled to generate steam; particularly, a receptacle or vessel in which the water is confined, or isolated from the external air, in order to generate steam under a pressure equal to or exceeding that of the atmosphere, for the conversion of its expansive force into work in a steammotor or -engine, or for heating purposes.
- noun A single boiler, or a battery of boilers, combined with other apparatus, as a feed-water heater or a superheater, for facilitating the production or for the superheating of steam.
- noun A sectional boiler.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
boilerthat is designedto produce and withstand the pressureof steamat 300 psi(2070 kPa) or less.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun sealed vessel where water is converted to steam
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