Definition of "hydro" in English

adjective

1. Clipping of hydroelectric.

2. Clipping of hydroponic.

   • hydro watercress

3. Alternative form of hydro- (“water”).

   • hydro massage

noun

1. (uncountable) Clipping of hydropower (“hydroelectric power”).

2. (uncountable) Clipping of hydroelectricity.

3. (Canada, uncountable) electrical power supply; specifically, electrical power provided by a utility (as a publicly-owned one); payment or bills for this.

   • I won't have lights until my house gets the hydro turned on.
   • She was having trouble paying the hydro.
   • He crashed his car against a hydro pole.

4. (British, countable, dated) A spa.

5. (countable, aviation, obsolete) Abbreviation of hydroaeroplane.

6. (uncountable) Abbreviation of hydrodynamics.