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
According to data provided by PJM, about 7.8% of Maryland’s in-state generation for 2023 came from wind, solar, and hydro sources. Jessica Babb, Baltimore Sun, 29 Dec. 2024 No country has achieved this without a lot of nuclear, hydro, natural gas, or coal. Mark Le Dain, Forbes, 15 Dec. 2024 The outgoing Energy and Commerce chair shepherded popular nuclear legislation to passage — but came up short on permitting and hydro bills. Daniel Moore, Axios, 20 Dec. 2024 The same is true for solar, wind, hydro, and nuclear power. Scott Kennedy, Foreign Affairs, 26 Nov. 2024 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

Dictionary Entries Near hydro

Cite this Entry

“Hydro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydro. Accessed 2 Jan. 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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