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.
Asia-Pacific nuclear generation rose from about 420 terawatt-hours in 2015 to nearly 845 terawatt-hours in 2025. — Robert Rapier, Forbes.com, 2 Aug. 2026 SpaceX has a chip-manufacturing initiative called Terafab with a goal of producing one terawatt of compute hardware each year. — Amanda Gerut, Fortune, 13 July 2026 Terafab would eventually produce enough chips for 1 terawatt of compute each year. — Andrea Leinfelder, Houston Chronicle, 6 May 2026 The Terafab project — which has a mind-boggling goal to supply 1 terawatt of annual computing capacity — is the latest ambitious undertaking by Musk. — Bloomberg, Mercury News, 16 Apr. 2026 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

Rhymes for terawatt

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Browse Nearby Words

teratoma
terawatt
terbang
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Cite this Entry

“Terawatt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/terawatt. Accessed 6 Aug. 2026.

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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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