hydro

 
Pronunciation: /ˈhʌɪdrəʊ/

noun (plural hydros)

  • 1British a hotel or clinic originally providing hydropathic treatment: win a week at Springs Hydro
  • 2a hydroelectric power plant.
  • [mass noun] hydroelectricity.
  • [mass noun] Canadian electricity.

Origin:

late 19th century: abbreviation