evap·​o·​ra·​tion | \ i-ˌva-pə-ˈrā-shən How to pronounce evaporation (audio) \

Definition of evaporation

: the act or process of evaporating:
a : change from a liquid to a vapor evaporation of water But warming increases the evaporation of ocean water, which could increase the snowfall on the Arctic and Antarctic ice sheets, remove water from the ocean, and lower sea level.— Jack M. Hollander
b : the vanishing or disappearance of something The pope's attempt to arrest the evaporation of the Christian tradition in Europe was also unsuccessful.— Conrad Black No longer a machine that accelerates the evaporation of resources, in the Roman context the banquet becomes a theatre of wealth and property, of social distinction, or social-climbing.— James N. Davidson

First Known Use of evaporation

14th century, in the meaning defined above

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The first known use of evaporation was in the 14th century

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Cite this Entry

“Evaporation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/evaporation. Accessed 6 Mar. 2021.

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More Definitions for evaporation


evap·​o·​ra·​tion | \ i-ˌva-pə-ˈrā-shən \

Kids Definition of evaporation

: the process of changing from a liquid to a vapor


evap·​o·​ra·​tion | \ i-ˌvap-ə-ˈrā-shən How to pronounce evaporation (audio) \

Medical Definition of evaporation

: the change by which any substance is converted from a liquid state into and carried off in vapor specifically : the conversion of a liquid into vapor in order to remove it wholly or partly from a liquid of higher boiling point or from solids dissolved in or mixed with it

Other Words from evaporation

evaporate \ i-​ˈvap-​ə-​ˌrāt How to pronounce evaporation (audio) \ verb evaporated; evaporating
evaporator \ -​ˌrāt-​ər How to pronounce evaporation (audio) \ noun

More from Merriam-Webster on evaporation

Thesaurus: All synonyms and antonyms for evaporation

Nglish: Translation of evaporation for Spanish Speakers

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