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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Stable isotopic signatures of oxygen and hydrogen observed in the country rocks next to dike segments can provide independent evidence for hydrothermal fluid flow, altering the chemical composition of the rocks or delaying the cooling of the dikes and country rocks.
—
David Bressan, Forbes.com, 31 July 2025
Together, this is strong evidence that the pool formed as a result of a hydrothermal explosion.
—Owen Clarke, Outside Online, 21 July 2025
While rare, hydrothermal explosions can result in injuries or death to humans and animals.
—Michael Cappetta, Travel + Leisure, 19 July 2025
These subtle noises suggest that the new pool was born last Christmas and that a series of little hydrothermal explosions that weren’t strong enough to shake the ground initiated the structure.
—Stephanie Pappas, Scientific American, 17 July 2025
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David Bressan, Forbes.com, 31 July 2025
Together, this is strong evidence that the pool formed as a result of a hydrothermal explosion.
—Owen Clarke, Outside Online, 21 July 2025
While rare, hydrothermal explosions can result in injuries or death to humans and animals.
—Michael Cappetta, Travel + Leisure, 19 July 2025
These subtle noises suggest that the new pool was born last Christmas and that a series of little hydrothermal explosions that weren’t strong enough to shake the ground initiated the structure.
—Stephanie Pappas, Scientific American, 17 July 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 10 Sep. 2025.
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