petawatt

See also: pétawatt and peta-watt

English

Etymology

Etymology tree

English peta-

English Watt

English watt

English petawatt

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