evapotranspiration

noun

evapo·​trans·​pi·​ra·​tion i-ˈva-pō-ˌtran(t)-spə-ˈrā-shən How to pronounce evapotranspiration (audio)
: loss of water from the soil both by evaporation and by transpiration from the plants growing thereon

Examples of evapotranspiration 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.
Over the long term, the total amount of precipitation that falls, minus the total evapotranspiration sending moisture back into the atmosphere, determines how much water moves through the hydrologic system. David Boutt, The Conversation, 26 May 2026 The repository will be engineered to safely contain the uranium waste rock, with an evapotranspiration cap placed as a permanent cover to prevent rainwater from reaching the waste. Arlyssa D. Becenti, AZCentral.com, 5 Nov. 2025 These changes in the weather increase evapotranspiration and lower soil moisture. Anna Skinner, MSNBC Newsweek, 1 Oct. 2025 All crops with a vascular system can experience evapotranspiration, but summer crops are the most common, Basso said. Julia Jacobo, ABC News, 24 July 2025 See All Example Sentences for evapotranspiration

Word History

Etymology

evaporation + transpiration

First Known Use

1938, in the meaning defined above

Time Traveler
The first known use of evapotranspiration was in 1938

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Cite this Entry

“Evapotranspiration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/evapotranspiration. Accessed 5 Jun. 2026.

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