hy·dro
ˈhī-(ˌ)drō 
plural hydros
British
: an establishment offering hydropathic treatment (as for weight loss) : health spa
Examples of hydro in a Sentence
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Mark Gongloff, Mercury News, 13 Aug. 2025
There would have had to be enough drop in the stream to dam it up and power the wheel that provided the hydro power to run the mill.
—Doug Ross, Chicago Tribune, 11 Aug. 2025
In fact, every major energy source—coal, oil, gas, renewables, hydro, and nuclear—hit record levels of consumption.
—Robert Rapier, Forbes.com, 26 June 2025
Wind and other renewables barely cracked double digits, while hydro and nuclear power constituted nearly 30%.
—Linda Baran, New York Daily News, 3 Aug. 2025
See All Example Sentences for hydro
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Noun
Failing hydro power in Zambia last year led to 21-hour blackouts.
—Mark Gongloff, Mercury News, 13 Aug. 2025
There would have had to be enough drop in the stream to dam it up and power the wheel that provided the hydro power to run the mill.
—Doug Ross, Chicago Tribune, 11 Aug. 2025
In fact, every major energy source—coal, oil, gas, renewables, hydro, and nuclear—hit record levels of consumption.
—Robert Rapier, Forbes.com, 26 June 2025
Wind and other renewables barely cracked double digits, while hydro and nuclear power constituted nearly 30%.
—Linda Baran, New York Daily News, 3 Aug. 2025
See All Example Sentences for hydro
Cite this Entry
“Hydro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydro. Accessed 1 Sep. 2025.
Copy CitationMedical Definition
hydro
noun
hy·dro
ˈhī-(ˌ)drō
plural hydros
British
: a hydropathic facility : spa
also
: a hotel catering to people using such a facility
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