microwave oven

noun

: an oven in which food is cooked by the heat produced by the absorption of microwave energy by water molecules in the food

Examples of microwave oven in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Being hit by extremely concentrated microwave radiation could be harmful; this is why microwave ovens have mesh screens that keep the rays from escaping. Andrea Thompson, Scientific American, 30 May 2025 And a bevy of other consumer technologies including Wi-Fi, Bluetooth, microwave ovens, and satellite radio operate at frequencies between 1.9 GHz and 6 GHz. IEEE Spectrum, 19 Sep. 2016 The microwave oven didn’t emerge from a quest to revolutionize cooking. Mark Nevins, Forbes, 24 Mar. 2025 Unwanted transmissions can be inherent in the design of a device, such as a microwave oven, whose RF cooking energy also contains a large amount of RF noise. Mark A. McHenry, IEEE Spectrum, 18 Aug. 2015 See All Example Sentences for microwave oven

Word History

First Known Use

1955, in the meaning defined above

Time Traveler
The first known use of microwave oven was in 1955

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Cite this Entry

“Microwave oven.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microwave%20oven. Accessed 4 Jun. 2025.

Kids Definition

microwave oven

noun
: an oven in which food is cooked by the heat produced from microwave penetration of the food
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