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

Green energy sources like solar, wind and hydro don’t just reduce carbon emissions. —Thais Lopez Vogel, The Orlando Sentinel, 10 July 2025

Choose from hydro glow facials, Himalayan salt rituals, de-stress massages, pedicures, prescriptive manicures, and even Reiki and reflexology. —Lewis Nunn, Forbes.com, 2 July 2025

Anderson also sold hard hats, flasks and tumblers made by his company, a business that personalizes products through a process called hydro dripping. —Scott Wartman, The Enquirer, 2 July 2025

Here, guests will find nail therapy rooms with zero-gravity chairs, ​​a hydro therapy room, a med-spa room, and a relaxation room. —Mae Hamilton, Travel + Leisure, 24 May 2025

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