Word.ws English Dictionary

petawatt

petawatt noun: an SI unit of power equal to 10¹⁵ watts. Symbol: PW. An amount of power much larger than all the power generated by all power stations on Earth. (Consuming 1 petawatt during a duration of 1 hour would consume 1 petawatt-hour of energy.).

Noun

petawatt (plural petawatts)

  1. An SI unit of power equal to 10¹⁵ watts. Symbol: PW. An amount of power much larger than all the power generated by all power stations on Earth. (Consuming 1 petawatt during a duration of 1 hour would consume 1 petawatt-hour of energy.)
    • Meronyms: mW, milliwatt < W, watt < kW, kilowatt < MW, megawatt < GW, gigawatt < TW, terawatt

Forms of petawatt

pluralpetawatts

Origin of petawatt

From peta- + watt.

Words formed from petawatt

Phrases with petawatt

Questions about petawatt

What does petawatt mean?
Petawatt means an SI unit of power equal to 10¹⁵ watts. Symbol: PW. An amount of power much larger than all the power generated by all power stations on Earth. (Consuming 1 petawatt during a duration of 1 hour would consume 1 petawatt-hour of energy.).
What part of speech is petawatt?
Petawatt is a noun.
What is the plural of petawatt?
The plural of petawatt is petawatts.

Words near petawatt in the dictionary

  1. petaurines
  2. petaurist
  3. petauristid
  4. petauristids
  5. petaurists
  6. petawatt
  7. petawatt hour
  8. petawatt hours
  9. petawatt-hour
  10. petawatt-hours
  11. petawatts

Source and license

Adapted from Wiktionary: petawatt (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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