kilowatt-hour

noun kilo·watt-hour \ ˈki-lə-ˌwät-ˈau̇(-ə)r \

Definition of kilowatt-hour

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

First Known Use of kilowatt-hour

1892

in the meaning defined above

See Words from the same year
NEW! Time Traveler

KILOWATT-HOUR Defined for English Language Learners

kilowatt-hour

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

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

Learn More about kilowatt-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).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

soothing, mild, or foolish

Get Word of the Day daily email!

Test Your Vocabulary

Name More Food!

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!