Watt

//wɑt// name, noun

name, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    In the International System of Units, the derived unit of power; the power of a system in which one joule of energy is transferred per second. Symbol: W
  2. 2
    a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm wordnet
Proper Noun
  1. 1
    Watt, a king of Sussex.
  2. 2
    An Anglo-Saxon given name.
  3. 3
    A diminutive of the male given name Walter, of medieval usage, variant of Wat.
  4. 4
    An English and Scottish surname originating as a patronymic.
  5. 5
    A ghost town in California, United States.

Synonyms

All synonyms
james wattkilowatt hourunitvoltamperevoltamperew

Example

More examples

"The output power of a one square meter solar panel is about one watt, so it is difficult to use solar power on a large scale at present."

Etymology

Named after Scottish engineer James Watt. For the surname, see Watt.

Related phrases

watt-hourwatt-secondwatt-yearderived unitelectric poserenergy measurementgiven nameinternational system of unitspower measure

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.