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
Next door, Casa del Mar's top-floor Penthouse Suites, converted from 1920s racquetball courts, max out at 1,800 square feet with direct water views and hydrothermal spa tubs.
—
David Hochman, Forbes.com, 1 Apr. 2026
The drying stage was entirely eliminated by using hydrothermal carbonization — a process similar to high-pressure cooking.
—Mrigakshi Dixit, Interesting Engineering, 25 Mar. 2026
Yellowstone National Park was established in 1872 to preserve access to its unique geologic and hydrothermal features, like the geyser Old Faithful.
—Zach Wichter, USA Today, 5 Mar. 2026
Starting from a parking lot seven miles from the southwest entrance, the boardwalk portion of the path allows visitors to get a close-up view of the 16-acre basin’s hydrothermal activity.
—Rachel Chang, Travel + Leisure, 23 Jan. 2026
See All Example Sentences for hydrothermal
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
David Hochman, Forbes.com, 1 Apr. 2026
The drying stage was entirely eliminated by using hydrothermal carbonization — a process similar to high-pressure cooking.
—Mrigakshi Dixit, Interesting Engineering, 25 Mar. 2026
Yellowstone National Park was established in 1872 to preserve access to its unique geologic and hydrothermal features, like the geyser Old Faithful.
—Zach Wichter, USA Today, 5 Mar. 2026
Starting from a parking lot seven miles from the southwest entrance, the boardwalk portion of the path allows visitors to get a close-up view of the 16-acre basin’s hydrothermal activity.
—Rachel Chang, Travel + Leisure, 23 Jan. 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 4 May. 2026.
Copy CitationMedical Definition
Love words? Need even more definitions?
Merriam-Webster unabridged
