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:
The average heater in 2026 travels at a record 94.8 mph, up 3 mph from when MLB began consistent tracking in 2008.
From The Wall Street Journal ● Aug. 18, 2026
Adjust your electronics and water heater: Turn off computers, TVs and lights when not in use to eliminate ambient heat.
From MarketWatch ● Jun. 29, 2026
Aldana Ramirez tries to warm up beside a brasero, a type of local heater, on a freezing night at Los Azules copper project in San Juan province, the epicenter of Milei's mining "revolution."
From Barron's ● May 23, 2026
The charity Community Action Northumberland suggested switching to an oil-filled electric radiator or electric heater to help with costs.
From BBC ● Mar. 26, 2026
Its comforts were stuffy and cloddish, the heater, the padded chairs, the bed piled with furs, the rugs, drapes, wrappings, mufflings.
From "The Left Hand of Darkness" by Ursula K. Le Guin
Pumps, portable evaporative coolers and portable heaters must be returned within seven days.
From The Wall Street Journal ● Sep. 9, 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
He thought about asking Mr. Stine if he’d gone down to the basement to check the heaters in the wood shop, but then he snuck a look at his watch.
From "Out of Darkness" by Ashley Hope Pérez
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.
