transpiration
noun
tran·spi·ra·tion
| \ ˌtran(t)s-pə-ˈrā-shən
\
\
Definition of transpiration
: the act or process or an instance of transpiring
especially
: the passage of watery vapor from a living body (as of a plant) through a membrane or pores
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Other Words from transpiration
transpirational
\ ˌtran(t)s-pə-ˈrā-shnəl
, -shə-nᵊl \
adjective
, -shə-nᵊl \
adjective
Examples of transpiration in a Sentence
Recent Examples on the Web
Through a process called transpiration, plants release water vapor from pores along the underside of their leaves. — Jennifer Leman, Popular Mechanics, "4 Reasons Why We Need the Amazon Rainforest," 4 Sep. 2019 This shuts down transpiration and the gaseous exchanges needed for photosynthesis, in which the tree takes in carbon dioxide and releases water and oxygen. — Adrian Higgins, Washington Post, "Trees can’t escape the extreme heat. But they do have some clever coping mechanisms.," 20 July 2019 Plants release water into the atmosphere through a process called transpiration. — Christina Nunez, National Geographic, "Rainforests, explained," 15 May 2019 Nizer serves on a number of national transpiration boards, including American Association of Motor Vehicle Administrators Region 1 board, the release said. — Jessica Anderson, baltimoresun.com, "What we know about Christine Nizer, head of Maryland's MVA, which failed to forward key voter information," 26 June 2018 These pores also release water via transpiration, which circulates nutrients through the plant and helps cool it by evaporation. — Yasemin Saplakoglu, Scientific American, "Trees Sweat to Keep Cool," 12 Apr. 2018 But exceptionally high temperatures are known to greatly reduce photosynthesis—and most existing plant models suggest this should also decrease transpiration, leaving trees in danger of fatally overheating. — Yasemin Saplakoglu, Scientific American, "Trees Sweat to Keep Cool," 12 Apr. 2018 Houseplants release moisture into the air through transpiration, so dry skin and nasal passages are less of a winter weather issue, the magazine asserts. — Amy Dewall Dadmun, Milwaukee Journal Sentinel, "Green house effect: Plants enhance life in tiny homes, apartments," 26 Jan. 2018 The program is offered free of charge, but families are responsible for students’ transpiration to and from Roseville. — Cathy Locke, sacbee, "High school juniors invited to apply for FBI Teen Academy in Roseville | The Sacramento Bee," 14 Feb. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'transpiration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for transpiration
transpiration
noun
trans·pi·ra·tion
| \ ˌtrans-pə-ˈrā-shən
\
\
Kids Definition of transpiration
: the process by which plants give off water vapor through openings in their leaves
transpiration
noun
tran·spi·ra·tion
| \ tran(t)s-pə-ˈrā-shən
\
\
Medical Definition of transpiration
: the passage of watery vapor from a living body through a membrane or pores
Other Words from transpiration
transpirational
\ -shnəl, -shən-ᵊl
\
adjective
\
adjective
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