a receptacle in which water is boiled to generate steam.
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How to use steam boiler in a sentence
The rolling mill must have come, not only before the modern steam-boiler, but even before the modern plow could be made.Steam Steel and Electricity | James W. Steele
Fig. 108 represents such a steam-boiler in section, as it is usually exhibited in working drawings.
But the original source of all this energy is found far back of its first appearance in the steam-boiler.
The “efficiency” of a good steam-boiler is therefore usually not far from 0.75 as a maximum.
In an adjoining room there was a steam-boiler—part of the heating apparatus of the house.The Believing Years | Edmund Lester Pearson
British Dictionary definitions for steam-boiler
a vessel in which water is boiled to generate steam. An industrial boiler usually consists of a system of parallel tubes through which water passes, suspended above a furnace
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012