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
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 The California Energy Commission for 2023 lists our in-state generation: natural gas 45%, renewables 37.5%, hydro 14%, nuclear 2.7% and coal a minuscule 0.12%. John Seiler, Orange County Register, 27 Jan. 2025 Our energy resources—coal, oil and gas, but increasingly also wind, solar and hydro—enable manufacturers to operate at scale even while decarbonizing. Chris Turlica, Forbes, 11 Dec. 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 7 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!