petawatt-hour

English

Etymology

By surface analysis, petawatt +‎ hour, or, by surface analysis, peta- +‎ watt-hour.

Noun

petawatt-hour (plural petawatt-hours)

  2. A unit of energy equal to that provided by one petawatt of power acting for one hour (3·6 × 10¹⁸ joules).
    Alternative forms: PW·h, PW h, PWh, PW-h, PW·hr, PW hr, PWhr, PW-hr (symbol variants); petawatt hour
    Holonym: terawatt-year (31.536e18 J)
    Meronyms: kilojoule (1.000e3 J) < watt-hour (3.600e3 J) < milliwatt-year (31.536e3 J) < megajoule (1.000e6 J) < kilowatt-hour (3.600e6 J) < watt-year (31.536e6 J) < gigajoule (1.000e9 J) < megawatt-hour (3.600e9 J) < kilowatt-year (31.536e9 J) < terajoule (1.000e12 J) < gigawatt-hour (3.600e12 J) < megawatt-year (31.536e12 J) < petajoule (1.000e15 J) < terawatt-hour (3.600e15 J) < gigawatt-year (31.536e15 J) < exajoule (1.000e18 J)
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