Word.ws English Dictionary

watt-year

watt-year noun: a unit of energy equal to that provided by one watt of power acting for one year (31·536 × 10⁶ joules).

Noun

watt-year (plural watt-years)

  1. A unit of energy equal to that provided by one watt of power acting for one year (31·536 × 10⁶ joules).
    • Holonyms: 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...
    • Meronyms: kilojoule (1.000e3 J) < watt-hour (3.600e3 J) < milliwatt-year (31.536e3 J) < megajoule (1.000e6 J) < kilowatt-hour (3.600e6 J)

Forms of watt-year

pluralwatt-years

Questions about watt-year

What does watt-year mean?
Watt-year means a unit of energy equal to that provided by one watt of power acting for one year (31·536 × 10⁶ joules).
What part of speech is watt-year?
Watt-year is a noun.
What is the plural of watt-year?
The plural of watt-year is watt-years.

Words near watt-year in the dictionary

  1. watt-hour meter
  2. watt-hour meters
  3. watt-hours
  4. watt-second
  5. watt-seconds
  6. watt-year
  7. watt-years
  8. watta satta
  9. wattage
  10. wattages
  11. Wattamondara

Source and license

Adapted from Wiktionary: watt-year (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.

Last updated:

Cite this entry: “watt-year.” Word.ws, https://word.ws/watt-year. Based on Wiktionary, CC BY-SA 4.0.