Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
having to do with hot water; esp., having to do with the action of hot water in producing minerals and springs or in dissolving, shifting, and otherwise changing the distribution of minerals in the earth's crust
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- Of or relating to hot water.
- Geology a. Of or relating to hot magmatic emanations rich in water.b. Of or relating to the rocks, ore deposits, and springs produced by such emanations.
- hyˌdro·therˈmal·ly adverb
hydrothermal - Science Definition
The American Heritage® Science Dictionary
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.
Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.