terawatt

noun

tera·​watt ˈter-ə-ˌwät How to pronounce terawatt (audio)
: a unit of power equal to one trillion watts

Examples of terawatt 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.
And powering the electrolyzers needed to make 300 million tons of hydrogen a year would require more than a terawatt of cheap renewable electricity, more than all the solar and wind power currently installed worldwide. science.org, 23 Jan. 2025 To put this in perspective, one terawatt hour could power the entire U.S. for 2.5 days. Sam Mugel, Forbes, 5 Mar. 2025 Arecibo, before cable breaks destroyed the dish in November 2020, was a telescope with four radio transmitters, the most powerful of which effectively transmitted at 22 terawatts at a frequency of 2,380 megahertz (similar to Wi-Fi). IEEE Spectrum, 28 Jan. 2021 By some estimates, persistent winds a half kilometer or more up in the air represent 1800 terawatts of near-nonstop, 100-percent renewable power that’s available day and night and in most weather conditions. IEEE Spectrum, 26 Feb. 2019 See All Example Sentences for terawatt

Word History

Etymology

tera- + watt

First Known Use

1970, in the meaning defined above

Time Traveler
The first known use of terawatt was in 1970

Browse Nearby Words

Cite this Entry

“Terawatt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/terawatt. Accessed 7 Apr. 2025.

Kids Definition

terawatt

noun
tera·​watt ˈter-ə-ˌwät How to pronounce terawatt (audio)
: a unit of power equal to one trillion watts
Last Updated: - Updated example sentences
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