hy·po·ther·mal
(hī′pō-thûr′məl)adj. Of, relating to, or being mineral deposits formed at great depths and high temperatures.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
hypothermal
(ˌhaɪpəʊˈθɜːməl) adj1. (Medicine) Also: hypothermic of, relating to, or characterized by hypothermia
2. (Geological Science) (of rocks and minerals) formed at great depth under conditions of high temperature
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
hy•po•ther•mal
(ˌhaɪ pəˈθɜr məl)
adj. 1. (of mineral deposits) formed at great depths and high temperatures.
2. lukewarm.
[1895–1900]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.