water cycle

noun

: hydrologic cycle
In the water cycle, water evaporates, condenses, falls as precipitation, and eventually evaporates again.Timothy Cooney et al.
As they have for thousands of years, the rhythms of wildlife migration and reproduction as well as human agriculture and grazing activities are inseparable from that of the yearly water cycle.Peter Warshall
… run by solar energy that helps cause winds, energizes plants, and powers the water cycle.David M. Armstrong et al.

Examples of water cycle in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Students could then be assigned a diagram of the water cycle with missing labels; filling in the blanks on the diagram offers them a hands-on activity to reinforce the information in the quiz. Hannah Nwoko, Parents, 7 July 2026 Also flying is the Lunar Trailblazer, a mission selected under NASA’s Small Innovative Missions for Planetary Exploration (SIMPLEx) program, a small satellite designed to provide an understanding of the form, abundance, and distribution of water on the moon, as well as the lunar water cycle. Richard Tribou, The Orlando Sentinel, 17 June 2026 The reason has to do with the water cycle. David Boutt, The Conversation, 26 May 2026 That’s why knowing how much liquid laundry detergent to use per load matters more now than ever — the wrong amount in a low-water cycle has nowhere to go. Ryan Brennan may 14, Fort Worth Star-Telegram, 14 May 2026 See All Example Sentences for water cycle

Word History

First Known Use

1894, in the meaning defined above

Time Traveler
The first known use of water cycle was in 1894

Browse Nearby Words

Cite this Entry

“Water cycle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20cycle. Accessed 17 Jul. 2026.

Kids Definition

water cycle

noun

More from Merriam-Webster on water cycle

Love words? Need even more definitions?

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

More from Merriam-Webster