petawatt

See also: pétawatt and peta-watt

English

Etymology

From peta- +‎ watt.

Noun

petawatt (plural petawatts)

  2. (metrology) 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.)
    Alternative form: PW (symbol)
    Meronyms: mW, milliwatt < W, watt < kW, kilowatt < MW, megawatt < GW, gigawatt < TW, terawatt

Derived terms

  • petawatt-hour
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