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
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 The only years the lights weren’t on was during 1943 and 1944 — not because of World War II, but because the snowpack was very low those years, causing concerns there wouldn’t be enough water to generate hydro electricity, according to the history. Jeanette Marantos, Los Angeles Times, 5 Dec. 2024 Idaho Power’s largest source of energy today is renewable hydro power, Ronk said. Clark Corbin, Idaho Statesman, 3 Feb. 2025 Currently, the state’s electricity is produced through a combination of coal (33%), natural gas (30%), wind (28%), solar (6%), and hydro power (2%). Krista Kafer, The Denver Post, 30 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

Dictionary Entries Near hydro

Cite this Entry

“Hydro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydro. Accessed 22 Feb. 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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