mil·​li·​watt ˈmi-lə-ˌwät How to pronounce milliwatt (audio)
: one thousandth of a watt

Examples of milliwatt in a Sentence

Recent Examples on the Web Apple silicon can reduce idle power draw to as little as 200 milliwatts. IEEE Spectrum, 9 Nov. 2023 So little power, in fact, just to be on an event camera consumes one milliwatt, on average, because in fact, the power consumption depends on the dynamics of the scene. IEEE Spectrum, 3 Oct. 2023 Whereas other techniques demand an operating power of roughly 1.5 to 4 watts, the new method requires only an average power of 400 milliwatts to operate 2,000 foci. IEEE Spectrum, 7 Apr. 2023 Power efficiency in terms of frames per second per milliwatt. Anshel Sag, Forbes, 30 Aug. 2021 One of these ingestibles can power a 5 milliWatt device (or, 0.005 of a watt) for up to 18 hours using 600 milligrams of active melanin material. David Grossman, Popular Mechanics, 24 Aug. 2016 Dr Neasham’s nanomodems consume only ten milliwatts when listening, and 1W when broadcasting. The Economist, 10 May 2018 Two General Electric mobile gas turbines that can provide at least 50 milliwatts GIVE SOME COMPARISON OF WHAT THIS MEANS -- POWER FOR xxx HOUSES OR SOMESUCH were delivered to the Palo Seco power plant near San Juan. Oren Dorell, USA TODAY, 23 Oct. 2017 But as Styropyro found out by using his own laser power meter, plenty of pointers on eBay that claim to be five milliwatts are as much as ten times as strong. Eric Limer, Popular Mechanics, 17 Oct. 2017 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'milliwatt.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


International Scientific Vocabulary

First Known Use

circa 1914, in the meaning defined above

Time Traveler
The first known use of milliwatt was circa 1914

Dictionary Entries Near milliwatt

Cite this Entry

“Milliwatt.” Dictionary, Merriam-Webster, Accessed 5 Dec. 2023.

Medical Definition


mil·​li·​watt ˈmil-ə-ˌwät How to pronounce milliwatt (audio)
: one thousandth of a watt
abbreviation mW
Last Updated: - Updated example sentences
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