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
Batteries meanwhile overtook pumped hydro storage for the first time, jumping 55% to 11.9 GW added last year, as U.S. storage capacity overall grew 31%. Alan Neuhauser, Axios, 20 Feb. 2025 Former central banker Mark Carney, who is also running for the Liberal leadership, said over the weekend that cutting off Quebec’s hydro exports to the U.S. should remain an option on the table in a trade fight with Trump. Jim Morris, Chicago Tribune, 27 Jan. 2025 These hydro heaters are in compliance with U.S. environmental rules. Gordon G. Chang, Newsweek, 24 Jan. 2025 These IPPs come in all shapes (solar, wind, natural gas, hydro, geothermal, nuclear, coal) and sizes (multi-billion dollar companies with thousands of generation sites to small start-ups with a single site), and as of 2022, provide nearly half of American power generation. Greg Robinson, Forbes, 23 Jan. 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 3 Mar. 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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