hy·​dro·​ther·​mal | \ ˌhī-drə-ˈthər-məl How to pronounce hydrothermal (audio) \

Definition of hydrothermal

: of or relating to hot water used especially of the formation of minerals by hot solutions rising from a cooling magma

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Other Words from hydrothermal

hydrothermally \ ˌhī-​drə-​ˈthər-​mə-​lē How to pronounce hydrothermally (audio) \ adverb

Examples of hydrothermal in a Sentence

Recent Examples on the Web

Bumpass Hell basin is an area of hydrothermal fumaroles and boiling mud pits crossed by a boardwalk, also recently reconstructed. Red Bluff Daily News, The Mercury News, "Bumpass Hell: Popular hiking trail to reopen after two years," 11 Sep. 2019 Deep sea hydrothermal vents, like the ones where the sea pangolin lives, are especially attractive since hydrothermal processes can concentrate gold, zinc, cobalt, and lithium in areas around the vents. Jason Daley, Smithsonian, "Deep-Sea Snail Builds Its Own Ironclad Suit of Armor. But Even That Can’t Protect It From Ocean Mining," 26 July 2019 Water from rain and snow that falls on the highlands of the park feeds its hydrothermal system. Mike Morris, latimes.com, "Want to avoid Yosemite-size crowds? Sample other national parks in California," 12 July 2019 Yellowstone National Park is home to about 10,000 hydrothermal features, including hot springs, geysers and mud pots, the National Park Service says. Harmeet Kaur, CNN, "The Steamboat Geyser in Yellowstone National Park is approaching a record number of eruptions," 4 July 2019 Miners have thus flocked to be near dams in places like the Pacific Northwest and upstate New York, and hydrothermal plants in Iceland. Gregory Barber, WIRED, "Bitcoin's Climate Impact Is Global. The Cures Are Local.," 12 June 2019 Freshwater pools scattered across steamy hydrothermal fields would be subject to regular rounds of heating and cooling. Quanta Magazine, "In Warm, Greasy Puddles, the Spark of Life?," 17 Mar. 2016 Magnesite naturally forms in a few ways, like hydrothermal metamorphism, where the presence of water at high temperature and pressures changes magnesium-rich rocks like peridotte. David Grossman, Popular Mechanics, "Scientists Can Now Make a Carbon-Trapping Mineral in a Lab," 15 Aug. 2018 And since the boron likely got into the seafloor plates through hydrothermal reactions with seawater, the diamonds’ color is—coincidentally but truthfully—an oceanic blue. Scott K. Johnson, Ars Technica, "Blue diamonds come from ocean floor that is pushed nearly to Earth’s core," 1 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydrothermal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hydrothermal

1849, in the meaning defined above

History and Etymology for hydrothermal

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Last Updated

25 Sep 2019

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Time Traveler for hydrothermal

The first known use of hydrothermal was in 1849

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hy·​dro·​ther·​mal | \ ˌhī-drə-ˈthər-məl How to pronounce hydrothermal (audio) \

Medical Definition of hydrothermal

: of or relating to hot water

Other Words from hydrothermal

hydrothermally \ -​mə-​lē How to pronounce hydrothermally (audio) \ adverb

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