noun
-
any device for supplying heat, such as a hot-air blower, radiator, convector, etc
-
slang a pistol
-
electronics a conductor carrying a current that indirectly heats the cathode in some types of valve
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of heater
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.
See Examples For:
About $12,000 went toward the wedding, and the rest went into the house, which has since eaten a new water heater and a roof repair nobody warned us about.
From MarketWatch ● Nov. 2, 2026
Then Snell left a 98 mph heater in the middle of the zone—and Bauers pounced, sending the ball 412 feet deep into the right-field seats, silencing the raucous Dodger Stadium crowd.
From The Wall Street Journal ● Oct. 15, 2026
"The fire started accidentally resulting from a mechanical or connection-related failure of a portable gas heater and gas bottle resulting in an uncontrolled gas release."
From BBC ● Oct. 7, 2026
One has doors, a heater and a glass sunroof.
From The Wall Street Journal ● Oct. 2, 2026
She pulled Natalie in close, and they hid as best they could in the lee of a solar water heater.
From "Two Degrees" by Alan Gratz
![]()
Nibe heaters are used in the production of higher-performance semiconductors.
From The Wall Street Journal ● Aug. 21, 2026
In the last 25 years, a new roof was installed, as well as air conditioning units and water heaters.
From MarketWatch ● Aug. 21, 2026
Engineers must carefully reduce energy use by shutting off heaters and instruments while also preventing the spacecraft from becoming so cold that its fuel lines freeze.
From Science Daily ● May 4, 2026
Temperature and humidity used to be monitored manually, but today sensors and automated systems automatically adjust an array of fans, heaters, and humidifiers.
From BBC ● Apr. 23, 2026
To test, I shut down the heaters in the regulator and noted its power consumption.
From "The Martian" by Andy Weir
![]()
Random Word
Spin the wheel and learn a new word!
Get a wordDefinitions 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.