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hydrothermal
hy·dro·ther·mal [ hdrə thúrm'l ]


adjective 
Definition:
 
of hot water affecting Earth's crust: relating to, or produced by, the action of extremely hot water on the Earth's crust
hydrothermal deposits

hy·dro·ther·mal·ly adverb
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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