var

/vɑr/
noun
  1. A unit of reactive power in an alternating current electrical system.
    • Engineers measured the reactive power in vars.
    • The capacitor bank supplies 500 vars to correct the power factor.
    • The generator's output includes both watts and vars.
  2. A variable, especially in programming or mathematics (informal abbreviation).
    • In the code, you need to declare each var before using it.
    • The equation has two vars: x and y.
    • She stored the result in a temporary var.
  3. Video Assistant Referee, a system used in soccer to review decisions.
    • Fans debated whether VAR improved the game.
    • The referee checked the VAR monitor before making the call.
    • The goal was disallowed after a VAR review.
Synonyms