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Noun: spark gap  spaa(r)k gap
  1. The gap between two high-potential terminals
    "The spark gap in the ignition system was carefully adjusted"
     
  2. A component of an ignition system; consists of two shaped electrodes and the space between them
    "The mechanic cleaned the spark gap to improve engine performance"

Derived forms: spark gaps

Type of: component, constituent, crack, element, gap

Part of: ignition, ignition system, induction coil

Encyclopedia: Spark gap