kilowatt–hour

noun

Definition of kilowatt–hour

  1. :  a unit of work or energy equal to that expended by one kilowatt in one hour or to 3.6 million joules

1892

First Known Use of kilowatt–hour

1892


KILOWATT–HOUR Defined for English Language Learners

kilowatt–hour

noun

Definition of kilowatt–hour for English Language Learners

  • : a unit of work or energy equal to the amount produced by one kilowatt in one hour


Medical Dictionary

kilowatt–hour

noun

Medical Definition of kilowatt–hour

  1. :  a unit of work or energy equal to that expended by one kilowatt in one hour


Seen and Heard

What made you want to look up kilowatt–hour? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

skillful, artistic, or intricate

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • hot-dog--hot-dog--hot-dog--hot-dog-cat
  • Which of the following words is not a synonym for ‘a young person’?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ