Word Pronunciation & Dictionary

terawatt-hour

Word Rarity Very rare

Frequency: Zipf frequency 1.61 in modern English

Syllables: ter-awat-t-hour
IPA

18

Scrabble Score

12

Letters

4

Syllables

8

Unique Chars

Meaning

noun

A unit of energy equal to that provided by one terawatt acting for one hour.

Example Sentences

"Holonym: terawatt-year"
"Meronyms: milliwatt-hour < watt-hour < kilowatt-hour < megawatt-hour < gigawatt-hour"
"New facilities consume more electricity than ever. A rack of servers stuffed with AI chips requires about ten times more power than a non-AI version a few years ago. A study by the Lawrence Berkeley National Laboratory found that in 2023 America's data centres used 176 terawatt-hours (TWh) of electricity. That is forecast to increase to between 325TWh and 580TWh by 2028 (see chart 2), or 7-12% of America's total consumption, with hyperscalers accounting for about half."

Etymology

By surface analysis, terawatt + hour, or, by surface analysis, tera- + watt-hour.

Inflected Forms

terawatt-hours (plural)

Frequently Paired Words

mul:TW·h mul:TW h mul:TWh terawatt hour

Questions

What does terawatt-hour mean?: A unit of energy equal to that provided by one terawatt acting for one hour.
Where does terawatt-hour come from?: By surface analysis, terawatt + hour, or, by surface analysis, tera- + watt-hour.

How to pronounce terawatt-hour

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