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
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Scientists say the incident highlights both the hazards of Yellowstone's thermal areas and the challenges of predicting when hydrothermal explosions might occur.
—
Anthony Thompson,
USA Today,
24 June 2026
The explosion emphasizes the unstable and hazardous nature of hydrothermal activity in the region, the USGS said.
—
Julia Jacobo,
ABC News,
23 June 2026
The analyses revealed a long span of hydrothermal activity at the site—with the oldest samples dating to around 66 million years ago and the freshest to about 58 million years ago.
—
Meghan Bartels,
Scientific American,
9 June 2026
The team proposes that such conditions persisted at Hapcheon, forming a hydrothermal lake capable of supporting microbial ecosystems.
—
Kaif Shaikh,
Interesting Engineering,
25 May 2026
See All Example Sentences for hydrothermal
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Anthony Thompson,
USA Today,
24 June 2026
The explosion emphasizes the unstable and hazardous nature of hydrothermal activity in the region, the USGS said.
—
Julia Jacobo,
ABC News,
23 June 2026
The analyses revealed a long span of hydrothermal activity at the site—with the oldest samples dating to around 66 million years ago and the freshest to about 58 million years ago.
—
Meghan Bartels,
Scientific American,
9 June 2026
The team proposes that such conditions persisted at Hapcheon, forming a hydrothermal lake capable of supporting microbial ecosystems.
—
Kaif Shaikh,
Interesting Engineering,
25 May 2026
See All Example Sentences for hydrothermal
Cite this Entry
“Hydrothermal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrothermal. Accessed 28 Jun. 2026.
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