evaporation

[ ih-vap-uh-rey-shuh n ]
/ ɪˌvæp əˈreɪ ʃən /

noun

the act or process of evaporating.
the state of being evaporated.
Archaic. matter or the quantity of matter evaporated or passed off in vapor.

Origin of evaporation

1350–1400; Middle English evaporacioun < Latin ēvapōrātiōn- (stem of ēvapōrātiō). See evaporate, -ion

Related forms

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for evaporation

Medicine definitions for evaporation

evaporation

[ ĭ-văp′ə-rāshən ]

n.

A change from liquid to vapor form.
Loss of volume of a liquid by conversion into vapor.volatilization
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for evaporation

evaporation

[ ĭ-văp′ə-rāshən ]

The change of a liquid into a vapor at a temperature below the boiling point. Evaporation takes place at the surface of a liquid, where molecules with the highest kinetic energy are able to escape. When this happens, the average kinetic energy of the liquid is lowered, and its temperature decreases.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for evaporation

evaporation


The changing of a liquid into a gas, often under the influence of heat (as in the boiling of water). (See vaporization.)

Note

The evaporation of water from the oceans is a major component in the hydrologic cycle.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.