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[ih-vap-uh-rahyt] /ɪˈvæp əˌraɪt/
noun, Geology
any sedimentary rock, as gypsum or rock salt, formed by precipitation from evaporating seawater.
Origin of evaporite
1920-25; evapor(ation) + -ite1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for evaporite
Historical Examples
  • Borates are mined from evaporite deposits at Searles Lake, California, and other desert locations.

    Deserts A. S. Walker
British Dictionary definitions for evaporite


any sedimentary rock, such as rock salt, gypsum, or anhydrite, formed by evaporation of former seas or salt-water lakes
Word Origin
C20: evaporation + -ite1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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evaporite in Science
A sedimentary rock that consists of one or more minerals formed as precipitates from the evaporation of a saline solution, such as saltwater. Usually, the first evaporite to form from saltwater is calcium, followed by gypsum and then halite.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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