boiler
Americannoun
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a closed vessel or arrangement of vessels and tubes, together with a furnace or other heat source, in which steam or other vapor is generated from water to drive turbines or engines, supply heat, process certain materials, etc.
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a vessel, as a kettle, for boiling or heating.
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British. a large tub in which laundry is boiled or sterilized.
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a tank in which water is heated and stored, as for supplying hot water.
noun
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a closed vessel or arrangement of enclosed tubes in which water is heated to supply steam to drive an engine or turbine or provide heat
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a domestic device burning solid fuel, gas, or oil, to provide hot water, esp for central heating
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a large tub for boiling laundry
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a tough old chicken for cooking by boiling
Other Word Forms
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Nouns
Etymology
Origin of boiler
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Six more Le Creuset mugs were recovered from a drawer underneath the boiler.
From BBC • Jun. 23, 2026
"My dad spent most of his working life as a boiler operator at Cadbury's in Bournville working shifts to provide for us all," Sarah recalls.
From BBC • May 14, 2026
It has a boiler that an insurance provider described as being in “extremely poor condition” before canceling coverage.
From The Wall Street Journal • May 1, 2026
Quasar alleges the encampment damaged the boiler and created the crisis.
From The Wall Street Journal • May 1, 2026
She led me to the service staircase, down past the alteration room, into the boiler room.
From "Not Nothing" by Gayle Forman
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.