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space heater

British  

noun

  1. a heater used to warm the air in an enclosed area, such as a room or office

"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

Example Sentences

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Warming your body with toasty cables against your shirt is far more energy-efficient than a space heater, though probably not as convenient on a Zoom call.

From The Wall Street Journal • Jan. 23, 2026

Unlike a space heater, a heat pump extracts heat from outside air, even in subzero temperatures, and then runs it through a compressor, which makes it even hotter, before pumping it indoors.

From New York Times • Mar. 2, 2024

In the main hall, there are no lectures to be heard, only the steady hum of the space heater keeping the administrative offices warm.

From Seattle Times • Feb. 3, 2024

Instead of using the natural gas-powered wall heater, people can opt to use a space heater instead.

From Los Angeles Times • Nov. 16, 2023

I’d been using the tiny space heater off and on all night and had drained the batteries.

From "Ready Player One: A Novel" by Ernest Cline

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