Word.ws English Dictionary

terawatt

terawatt noun: one million million (10¹²) watts, an amount of power large enough to power an entire region with many cities. (Consuming 1 terawatt during a duration of 1 hour consumes 1 terawatt-hour of energy.).

Noun

terawatt (plural terawatts)

  1. One million million (10¹²) watts, an amount of power large enough to power an entire region with many cities. (Consuming 1 terawatt during a duration of 1 hour consumes 1 terawatt-hour of energy.).
    • Holonyms: PW, petawatt
    • Meronyms: mW, milliwatt < W, watt < kW, kilowatt < MW, megawatt < GW, gigawatt

Examples of terawatt in a sentence

  • As of 2025, it was estimated that all of the power stations on Earth were collectively generating about 15 terawatts at any given instant.
  • If you are about to harvest all the hydropower of the world—this implies the schemes in which all of Greenland has to be engineered for hydropower—you have a total of something like 2.9 terawatts.1977, United States House of Representatives Committee on Science and Technology, quoting Wolf Haefele, European Oversight Trip: Report of...

Forms of terawatt

pluralterawatts
alternative formtera-watt

Origin of terawatt

From tera- + watt.

Words formed from terawatt

Phrases with terawatt

Questions about terawatt

What does terawatt mean?
Terawatt means one million million (10¹²) watts, an amount of power large enough to power an entire region with many cities. (Consuming 1 terawatt during a duration of 1 hour consumes 1 terawatt-hour of energy.).
How do you use terawatt in a sentence?
As of 2025, it was estimated that all of the power stations on Earth were collectively generating about 15 terawatts at any given instant.
What part of speech is terawatt?
Terawatt is a noun.
What is the plural of terawatt?
The plural of terawatt is terawatts.

Words near terawatt in the dictionary

  1. Terauchis
  2. teravolt
  3. teravolts
  4. teravoxel
  5. teravoxels
  6. terawatt
  7. terawatt hour
  8. terawatt hours
  9. terawatt year
  10. terawatt years
  11. terawatt-hour

Source and license

Adapted from Wiktionary: terawatt (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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