- noting or pertaining to the action of hot, aqueous solutions or gases within or on the surface of the earth.
Origin of hydrothermal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hydrothermal
These occurrences are generally held to be due to hydrothermal or geyser action.Getting Gold
J. C. F. Johnson
In other words, the determination of the hydrothermal equivalent is essential.
By means of the electrical check experiments, however, a method for determining the hydrothermal equivalent is at hand.
Such corrections are impossible unless a proper determination of the hydrothermal equivalent has been made.
From the weight of the subject and this factor the hydrothermal equivalent of the body can be calculated.
- of or relating to the action of water under conditions of high temperature, esp in forming rocks and minerals
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
Word Origin and History for hydrothermal
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.
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