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 Many deep-sea mining interests overlap with biodiversity hot spots, such as sulfide-rich hydrothermal vents. Sabrina Imbler, New York Times, "Could Listening to the Deep Sea Help Save It?," 10 Nov. 2020 The veins’ width and size imply that for thousands—if not millions—of years, Bennu’s parent body had a sizable amount of hydrothermal activity. National Geographic, "Ancient asteroid Bennu contains ingredients for life," 8 Oct. 2020 One - to study hydrothermal vents in the Gulf of Alaska/North Pacific and document the impact the vents are having on the climate and fisheries. Anchorage Daily News, "Candidate Q&A: Alaska Senate District D — Thomas Lamb," 3 Oct. 2020 There are extreme forms of life on Earth that draw energy from hydrothermal vents deep under the sea, rather than from the sun. Theresa Machemer, Smithsonian Magazine, "Heat in Jupiter’s Moon Europa Might Have Made Its Oceans Habitable," 29 June 2020 Jupiter’s moon Europa is covered in a thick layer of ice that is believed to conceal a planet-wide ocean, which means that any lifeforms there would have cropped up around hydrothermal vents deep beneath the surface. Daniel Oberhaus, Wired, "Will We Recognize Life on Mars When We See It?," 9 July 2020 One of these areas, Norris Geyser Basin to the northwest of the caldera, contains more than 500 hydrothermal features. National Geographic, "See the Full Archive," 19 Mar. 2020 This cycle of magmatism and hydrothermal activity has proven elusive for scientists to identify and chronicle. National Geographic, "See the Full Archive," 19 Mar. 2020 The ground in hydrothermal areas is fragile and thin and there is scalding water just below the surface, park officials said. Washington Post, "2 men banned from park for years for walking on Old Faithful," 9 Jan. 2020

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

International Scientific Vocabulary

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Time Traveler for hydrothermal

Time Traveler

The first known use of hydrothermal was in 1849

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Statistics for hydrothermal

Last Updated

17 Nov 2020

Cite this Entry

“Hydrothermal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrothermal. Accessed 25 Nov. 2020.

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More Definitions for hydrothermal


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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