Hydro

Pronunciation

Origin

From Ancient Greek ὕδωρ (hudōr, "water").

Full definition of hydro

Adjective

1. hydroelectric

Noun

1. (uncountable) hydroelectric power
2. (Canada, uncountable) electrical power supply; specifically : electrical power provided by a utility (as a publicly-owned one)''I won't have lights until my house gets the hydro turned on.
3. (British, countable, dated) A spa.
• Rudyard KiplingShe almost lived at hotels and hydros, last year, but that isn't pleasant for her.
4. (countable, aviation, obsolete) Abbreviation of hydroaeroplane