air gap
noun
Electricity.
the space between two objects magnetically related, as between the rotor and the stator in a dynamo, or between two objects electrically related, as between the electrode and the tip of a spark plug.
Origin of air gap
First recorded in 1895–1900
Words nearby air gap
air force cross,
air force one,
air freight,
air freshener,
air frost,
air gap,
air gauge,
air guitar,
air gun,
air hammer,
air harbor