wa·​ter·​pow·​er | \ ˈwȯ-tər-ˌpau̇(-ə)r How to pronounce waterpower (audio) , ˈwä-\

Definition of waterpower

1 : the power of water employed to move machinery
2 : a fall of water suitable for being used to move machinery

Examples of waterpower in a Sentence

Waterpower is a renewable source of energy.
Recent Examples on the Web Flour mills are built, using the falls’ power, until electricity replaces its waterpower. Mary Ann Grossmann, Twin Cities, "Literary pick of the week: Remarkable story flows from ‘My Mighty Journey’," 3 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'waterpower.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of waterpower

1817, in the meaning defined at sense 1

Keep scrolling for more

Learn More about waterpower

Statistics for waterpower

Last Updated

14 Nov 2019

Time Traveler for waterpower

The first known use of waterpower was in 1817

See more words from the same year

Keep scrolling for more

More Definitions for waterpower


How to pronounce waterpower (audio)

English Language Learners Definition of waterpower

: the power that comes from moving water and that is used to run machinery or make electricity


wa·​ter·​pow·​er | \ ˈwȯ-tər-ˌpau̇-ər How to pronounce waterpower (audio) , ˈwä-\

Kids Definition of waterpower

: the power of moving water used to run machinery

More from Merriam-Webster on waterpower

Rhyming Dictionary: Words that rhyme with waterpower

Spanish Central: Translation of waterpower

Britannica.com: Encyclopedia article about waterpower

Comments on waterpower

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


the exactly right word or phrasing

Get Word of the Day daily email!

Test Your Vocabulary

Pass the Little Ribbons: A Pasta Word Quiz

  • rotelle pasta
  • Match the pasta to its meaning in English: Rotelle
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

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

Love words? Need even more definitions?

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