terawatt-year

== English == === Etymology === By surface analysis, terawatt +‎ year, or, by surface analysis, tera- +‎ watt-year. === Noun === terawatt-year (plural terawatt-years) A unit of energy equal to that provided by one terawatt of power acting for one year (31·536 × 10¹⁸ joules). Alternative forms: TW·y, TW y, TWy, TW-y, TW·yr, TW yr, TWyr, TW-yr (symbol variants); terawatt year Meronyms: (sorted by magnitude) yoctojoule (1.000e-24 J) < zeptojoule (1.000e-21 J) < attojoule (1.000e-18 J) < hartree (4.35974e-18 J) < femtojoule (1.000e-15 J) < picojoule (1.000e-12 J) < nanojoule (1.000e-9 J) < microjoule (1.000e-6 J) < millijoule (1.000e-3 J) < joule (1 J) < milliwatt-hour (3.6 J) < gram calorie (4.184 J) < microwatt-year (31.536 J) < kilojoule (1.000e3 J) < British thermal unit (1.05506e3 J) < watt-hour (3.600e3 J) < kilogram calorie (4.184e3 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) < petawatt-hour (3.600e18 J)