microwatt

noun

mi·​cro·​watt ˈmī-krō-ˌwät How to pronounce microwatt (audio)
: one millionth of a watt

Examples of microwatt 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.
The receiver requires only a few microwatts of power and includes a low-power authentication system that shields it from denial-of-sleep attacks. IEEE Spectrum, 8 May 2023 Luckily, an average walk generates around 6 microwatts. David Grossman, Popular Mechanics, 30 Jan. 2019 The current version requires 13 microwatts of power, which could potentially be provided by a voltaic cell—developed by Nadeau—that runs on acidic stomach juices. Megan Molteni, WIRED, 24 May 2018

Word History

First Known Use

circa 1909, in the meaning defined above

Time Traveler
The first known use of microwatt was circa 1909

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Cite this Entry

“Microwatt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microwatt. Accessed 9 Sep. 2025.

Medical Definition

microwatt

noun
mi·​cro·​watt -ˌwät How to pronounce microwatt (audio)
: one millionth of a watt
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