or watt·sec·ond

[ wot-sek-uh nd ]
/ ˈwɒtˈsɛk ənd /


a unit of energy equal to the energy of one watt acting for one second; the equivalent of one joule.

Nearby words

  1. watsonia,
  2. watsonville,
  3. watt,
  4. watt, james,
  5. watt-hour,
  6. wattage,
  7. watteau,
  8. watteau back,
  9. wattenscheid,
  10. watter

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Science definitions for watt-second


A unit of energy equal to the work done by one watt acting for one second, equivalent to 1 joule.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.