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 The Amazon rainforest has long had a net cooling effect on the planet, by a process scientists call evapotranspiration. Andrew Jeong, Washington Post, 16 Feb. 2024 Soil moisture sensors show, over time, how much water has gone into the ground, and how much has left, either from drainage or in the form of evapotranspiration from plants. Susan Moran, Discover Magazine, 21 June 2013 In scientific circles, the process has a slightly more dignified name: evapotranspiration. Denise Chow, NBC News, 22 Aug. 2023 Green spaces such as parks and golf courses, in contrast, reduce heat levels in neighborhoods by lowering surface and air temperatures through evapotranspiration. Terri Adams-Fuller, Scientific American, 15 June 2023 In the mean time, urban planners suggest applying lighter coating on roads and rooftops to reflect more heat away from cities and adding rooftop gardens to increase urban vegetation, which can help lower air temperature through a process known as evapotranspiration. The Week, 12 July 2021 Want to find a truck in a field (use machine vision on multispectral data), if new vegetation is growing near a power line (NDVI time series from hyperspectral imagery) or if crops are under-watered (look for a decline in measured evapotranspiration)? Rachel Olney, Forbes, 1 Sep. 2021 In all, Gro computers hoover up 650 trillion data points from more than 40,000 data sets—crop forecasts, satellite images, topography, reports on precipitation, soil moisture, evapotranspiration—to provide insights into 15,000 different agricultural products. Eben Shapiro, Time, 21 Feb. 2021 It’s connected to the evapotranspiration of plants. Stephanie Innes, The Arizona Republic, 14 Aug. 2021 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'evapotranspiration.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


evaporation + transpiration

First Known Use

1938, in the meaning defined above

Time Traveler
The first known use of evapotranspiration was in 1938

Dictionary Entries Near evapotranspiration

Cite this Entry

“Evapotranspiration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/evapotranspiration. Accessed 21 Feb. 2024.

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