hydrothermal
adjective
hy·dro·ther·mal
ˌhī-drə-ˈthər-məl 
: of or relating to hot water
—used especially of the formation of minerals by hot solutions rising from a cooling magma
Examples of hydrothermal in a Sentence
Recent Examples on the Web
In 2003, a similar hydrothermal feature sprang up on the other side of the rhyolite flow near Nymph Lake.
—
Monica Cull, Discover Magazine, 4 July 2025
The same geyser that erupted last summer in a hydrothermal explosion in Yellowstone National Park was recorded erupting again, video shows.
—Brooke Baitinger, Sacbee.com, 4 June 2025
On May 31, 2025, a webcam in Yellowstone National Park detected a small explosion in the Biscuit Basin Area—the same zone that suffered an unexpectedly destructive hydrothermal eruption less than a year ago.
—Owen Clarke, Outside Online, 6 June 2025
Possibility of Life on Other Planets Their research also showed that during the time the hydrothermal system functioned, the type of marine life mainly comprised of plankton species adapted to high-nutrient environments.
—Sean Mowbray, Discover Magazine, 23 May 2025
See All Example Sentences for hydrothermal
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Monica Cull, Discover Magazine, 4 July 2025
The same geyser that erupted last summer in a hydrothermal explosion in Yellowstone National Park was recorded erupting again, video shows.
—Brooke Baitinger, Sacbee.com, 4 June 2025
On May 31, 2025, a webcam in Yellowstone National Park detected a small explosion in the Biscuit Basin Area—the same zone that suffered an unexpectedly destructive hydrothermal eruption less than a year ago.
—Owen Clarke, Outside Online, 6 June 2025
Possibility of Life on Other Planets Their research also showed that during the time the hydrothermal system functioned, the type of marine life mainly comprised of plankton species adapted to high-nutrient environments.
—Sean Mowbray, Discover Magazine, 23 May 2025
See All Example Sentences for hydrothermal
Cite this Entry
“Hydrothermal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrothermal. Accessed 11 Jul. 2025.
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