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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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Examples for hydrothermal
  • Other scientists still think that first step happened at the mouths of so-called hydrothermal vents, at the bottom of the sea.
  • hydrothermal vents are geysers located on the ocean floor in the deep sea.
  • The hydrothermal model, on the other hand, says the hot spring fluids deposited the gold inside the rocks.
  • They've adapted to thrive at the edge of hydrothermal vents, which spew superheated water saturated with toxic chemicals.
  • hydrothermal vents on the planet's seafloor may infuse the alien ocean with chemical energy sources.
  • Swarms of yeti crabs and a ghostly octopus are among the new species spotted near hydrothermal vents, a new study says.
  • Some signs suggest that whale-fall ecosystems have exchanges with other deep-seafloor communities, such as hydrothermal vents.
British Dictionary definitions for hydrothermal

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 hydrothermal
adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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hydrothermal 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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