hydro

1 of 2

noun (1)

hy·​dro ˈhī-(ˌ)drō 

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

Noun

Village and township residents and officials have protested the nondestructive hydro-excavation business’s plan to relocate from Channahon to about 38 acres on 159th Street in Homer Township. — Michelle Mullins, Chicago Tribune, 20 Aug. 2026

Dispatchable means power plants like natural gas, coal, nuclear and hydro that can be turned on whenever demand spikes. — Anna Demeo, Forbes.com, 18 Aug. 2026

There is an oversize three-car garage, a security system, central air conditioning, hydro air and oil heat, propane service for both the outdoor grill and kitchen range, a septic system and a private well. — Karen A. Avitabile, Hartford Courant, 26 July 2026

In the thermal pool, guests lie or sit on underwater hydro-massage beds and seats while lumbar jets pummel the muscles most nicely. — Condé Nast, Condé Nast Traveler, 9 July 2026

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

Rhymes for hydro

• acknow
• aglow
• ago
• airglow
• aloe
• altho
• although
• ammo
• backflow
• backhoe
• banjo
• barbeau

Kids Definition

hydro

noun

hy·​dro

ˈhī-drō

: hydroelectric power

Medical Definition

hydro

noun

hy·​dro ˈhī-(ˌ)drō 

plural hydros

British

: a hydropathic facility : spa

also : a hotel catering to people using such a facility