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microwave oven

American  

noun

  • microwave ovens
    plural
  1. an electrically operated oven using high-frequency electromagnetic waves that penetrate food, causing its molecules to vibrate and generating heat within the food to cook it in a very short time.


microwave oven British  

noun

  1. Often shortened to: micro.   microwave.  an oven in which food is cooked by microwaves

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of microwave oven

First recorded in 1960–65

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:

"A stellarator is a thing that is objectively very difficult to design, objectively very difficult to build. But if you do it, it is a dumb machine... just like a microwave oven," says Sciortino.

From BBC Apr. 20, 2026

On a December day at an appliance store in New Delhi, Manish Sharma, an engineer at a domestic telecommunications company, bought a premium $600 microwave oven as a wedding gift for his younger brother.

From The Wall Street Journal Jan. 2, 2026

"These are electromagnetic rays in the range of around one hundred to several thousand gigahertz, comparable to the radiation of a cell phone or a microwave oven -- but with a significantly higher frequency."

From Science Daily Mar. 18, 2024

“What do they have in their dorms or apartments? A lot of times it’s just microwave, oven, maybe stovetop,” she explained.

From Seattle Times Mar. 3, 2023

It was like traveling in a tumble dryer and microwave oven combined.

From "Stormbreaker" by Anthony Horowitz

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