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hydrothermal

[hahy-druh-thur-muh l] /ˌhaɪ drəˈθɜr məl/
adjective, Geology
1.
noting or pertaining to the action of hot, aqueous solutions or gases within or on the surface of the earth.
Origin
1840-1850
1840-50; hydro-1 + thermal
Related forms
hydrothermally, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for hydrothermally

hydrothermal

/ˌhaɪdrəʊˈθɜːməl/
adjective
1.
of or relating to the action of water under conditions of high temperature, esp in forming rocks and minerals
Derived Forms
hydrothermally, adverb
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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Word Origin and History for hydrothermally

hydrothermal

adj.

1852, from hydro- + thermal (adj.); 1855 in geology.

Online Etymology Dictionary, © 2010 Douglas Harper
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hydrothermally in Science
hydrothermal
  (hī'drə-thûr'məl)   
Relating to or produced by hot water, especially water heated underground by the Earth's internal heat. ◇ Hydrothermal energy is power that is generated using the Earth's hot water.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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