hydrothermal

adjective
hy·​dro·​ther·​mal | \ˌhī-drə-ˈthər-məl \

Definition of hydrothermal 

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

Keep scrolling for more

Other Words from hydrothermal

hydrothermally \ˌhī-​drə-​ˈthər-​mə-​lē \ adverb

Examples of hydrothermal in a Sentence

Recent Examples on the Web

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 Like Enceladus, Europa is thought to have hydrothermal activity on the ocean floor and plumes erupting into space, so this moon is the target of NASA's next flagship mission to the outer solar system. Jay Bennett, Popular Mechanics, "Saturn's Moon Enceladus Is Spewing Complex Organic Molecules Into Space," 27 June 2018 Gangidine and his team routinely travel to Yellowstone to trek into the park’s hydrothermal fields—grassy plains pocketed with gassy geologic features—and collect samples. Ula Chrobak, Outside Online, "This Scientist Learns About Life on Mars in Yellowstone," 18 June 2018 Three things are said to indicate that a super volcano is about to erupt: increased seismic activity, increased ground deformation and changes in the hydrothermal system or increased gas outlet at the surface. Candace Sutton, Fox News, "Quakes and eruptions spark talks of Yellowstone super volcano," 7 May 2018 This would be exciting because only two things make methane on Earth: hydrothermal systems and similar hot forms of geology; and microbes. The Economist, "Seasonal changes in Mars’s air are probably not signs of life. Probably," 7 June 2018 Explore the Hydrothermal Areas: Boiling pools, steam rising from the ground, bubbling mud pots – these are just some of the types of hydrothermal areas that can be found within Lassen Volcanic National Park. Susan B. Barnes, USA TODAY, "Lassen Volcanic National Park: 10 tips for your visit," 29 Apr. 2018 The surreal colors come from the sulphur, potash, and other minerals that saturate the Dallol hydrothermal field. Laura Mallonee, WIRED, "Unreal Views of the Trippy Colors in Ethiopia's Danakil Desert," 15 May 2018 The prevailing theory is the water comes directly from Europa's subsurface ocean and is being driven upward by hydrothermal activity much like that which powers geysers on Earth. Sarah Kaplan, courant.com, "Scientists discover new evidence for plumes on Europa, a target in the search for life," 14 May 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.

See More

First Known Use of hydrothermal

1849, in the meaning defined above

History and Etymology for hydrothermal

International Scientific Vocabulary

Keep scrolling for more

Learn More about hydrothermal

Share hydrothermal

Statistics for hydrothermal

Last Updated

20 Nov 2018

Look-up Popularity

Time Traveler for hydrothermal

The first known use of hydrothermal was in 1849

See more words from the same year

Keep scrolling for more

More Definitions for hydrothermal

hydrothermal

adjective
hy·​dro·​ther·​mal | \ˌhī-drə-ˈthər-məl \

Medical Definition of hydrothermal 

: of or relating to hot water

Other Words from hydrothermal

hydrothermally \-​mə-​lē \ adverb

More from Merriam-Webster on hydrothermal

Rhyming Dictionary: Words that rhyme with hydrothermal

Comments on hydrothermal

What made you want to look up hydrothermal? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a typical or ideal example

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!