evapo·​trans·​pi·​ra·​tion | \ i-ˈva-pō-ˌtran(t)-spə-ˈrā-shən How to pronounce evapotranspiration (audio) \

Definition of evapotranspiration

: 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 Their roots also suck water from the ground and eventually release it to the air in a process called evapotranspiration. Alejandra Borunda, National Geographic, "Racist housing policies have created some oppressively hot neighborhoods," 2 Sep. 2020 Such warmth has dramatic repercussions on the landscape, primarily through evapotranspiration, the process by which plants and soils release moisture into the atmosphere. Andrew Freedman, Anchorage Daily News, "‘Zombie fires’ are erupting in Siberia and Alaska, signaling a severe northern wildfire season may lie ahead," 28 May 2020 Paulo Brando, a tropical ecologist at the University of California, Irvine, and the Woods Hole Research Center, who was not involved in the study, cites reduced evapotranspiration as another possible contributor. Jim Daley, Scientific American, "Deforestation Intensifies Warming in the Amazon Rain Forest," 18 Sep. 2019 Research suggests that the phenomenon is broadly the result of less evapotranspiration—that’s when water evaporates from plants or soil into the atmosphere, cooling the air—in cities, compared with their surrounding environments. Chelsea Harvey, Scientific American, "Urban Heat Islands Mean Warming Will Be Worse in Cities," 21 Nov. 2019 The technical term for release of moisture from both the soil and the crops themselves is evapotranspiration. Jeff Berardelli, CBS News, ""Corn sweat" makes heat wave even more dangerous," 22 July 2019 Trees in particular offer lots of shade and, through a process called evapotranspiration, use energy from the sun to evaporate water within their leaves. The Economist, "Heatwaves like that being experienced in America are more dangerous in cities," 21 July 2019 Warmer temperatures dry out soil faster, a phenomenon called evapotranspiration. John F. Ross, WSJ, "The Prophet of the Dust Bowl," 14 June 2018 Current standards for measuring water stress fall primarily into evapotranspiration models and soil moisture sensing. Nathan Hurst, Smithsonian, "This Snap-On Sensor Could Tell Farmers Exactly How Much To Water Their Crops," 27 Sep. 2017

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

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First Known Use of evapotranspiration

1938, in the meaning defined above

History and Etymology for evapotranspiration

evaporation + transpiration

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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 3 Mar. 2021.

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