hydro

1 of 2

noun (1)

hy·​dro ˈhī-(ˌ)drō How to pronounce hydro (audio)
plural hydros
British
: an establishment offering hydropathic treatment (as for weight loss) : health spa

hydro

2 of 2

noun (2)

often attributive
: hydroelectric power

Examples of hydro in a Sentence

Recent Examples on the Web
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.
Noun
Here, guests will find nail therapy rooms with zero-gravity chairs, ​​a hydro therapy room, a med-spa room, and a relaxation room. Mae Hamilton, Travel + Leisure, 24 May 2025 More than 42 percent of electricity in the U.S. is instead generated by natural gas, while smaller portions derive from coal, wind, hydro and solar. Josh Hammer, MSNBC Newsweek, 21 Apr. 2025 Spinrad visited Southern California in late May and was taken aback by the number of people raising concern over the agency’s ability to continue predicting atmospheric river events, with all of their implications on public safety, reservoir operations and hydro power. Michael Wilner, Los Angeles Times, 1 June 2025 Nuclear power also remains a steady contributor, generating around 19% of electricity, while hydro added another 7%. Robert Rapier, Forbes.com, 29 Apr. 2025 See All Example Sentences for hydro

Word History

Etymology

Noun (1)

short for hydropathic establishment

Noun (2)

short for hydropower

First Known Use

Noun (1)

1882, in the meaning defined above

Noun (2)

1916, in the meaning defined above

Time Traveler
The first known use of hydro was in 1882

Cite this Entry

“Hydro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydro. Accessed 1 Jul. 2025.

Kids Definition

hydro

noun
hy·​dro
ˈhī-drō
: hydroelectric power

Medical Definition

hydro

noun
hy·​dro ˈhī-(ˌ)drō How to pronounce hydro (audio)
plural hydros
British
: a hydropathic facility : spa
also : a hotel catering to people using such a facility
Last Updated: - Updated example sentences
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