hydro (not comparable)

  1. hydroelectric
  2. hydroponic
    hydro watercress


  1. (uncountable) hydroelectric power
  2. (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.
  3. (British, countable, dated) A spa.
    • She almost lived at hotels and hydros, last year, but that isn't pleasant for her.
  4. (countable, aviation, obsolete) Abbreviation of hydroaeroplane#English|hydroaeroplane.

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