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
Recent Examples on the Web
Rachel Chang, Travel + Leisure, 11 May 2026
Prince William saw the hydro plan in action, met with the community members who own and maintain the site, and learned more about the station's eco credentials and how it could be replicated in other locations across the U.K.
Can't get enough of PEOPLE's Royals coverage?
—Meredith Kile, PEOPLE, 5 May 2026
Kristersson said Sweden was less affected by the current energy crisis than many other countries overall, noting Swedish electricity production is largely based on nuclear, hydro and renewable energies.
—CBS News, 28 Apr. 2026
Constellation Energy is a diversified energy provider with a strong nuclear fleet alongside hydro, wind and solar assets.
—Alexa Lomonaco, CNBC, 16 Apr. 2026
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Noun
Outdoor lovers will enjoy canoeing, fishing, kayaking, hydro-biking, and swimming, while there are also courts set up for badminton, bocce ball, croquet, ladder golf, tennis, and even yard dice.
—Rachel Chang, Travel + Leisure, 11 May 2026
Prince William saw the hydro plan in action, met with the community members who own and maintain the site, and learned more about the station's eco credentials and how it could be replicated in other locations across the U.K.
Can't get enough of PEOPLE's Royals coverage?
—Meredith Kile, PEOPLE, 5 May 2026
Kristersson said Sweden was less affected by the current energy crisis than many other countries overall, noting Swedish electricity production is largely based on nuclear, hydro and renewable energies.
—CBS News, 28 Apr. 2026
Constellation Energy is a diversified energy provider with a strong nuclear fleet alongside hydro, wind and solar assets.
—Alexa Lomonaco, CNBC, 16 Apr. 2026
See All Example Sentences for hydro
Cite this Entry
“Hydro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydro. Accessed 13 May. 2026.
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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