air gap

American  

noun

1. 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.

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Etymology

Origin of air gap

First recorded in 1895–1900

Example Sentences

“I swear there was only a foot of air gap left in the back part of her car,” he said.

From Seattle Times • Mar. 24, 2023

Its fire resistance comes from a two-layer construction, with an air gap in between for added insulation.

From Scientific American • Jul. 25, 2022

I have tried cleaning the glass inside and out, but the etching appears to be on the glass facing the air gap between the panes.

From Washington Post • Jan. 8, 2021

But some smaller and locally focused electricity providers fall short in creating an impenetrable wall around industrial controls, often referred to as an air gap.

From Washington Times • Oct. 11, 2017

A copper disc, when inserted within the air gap of the ring magnet, was brought into rapid rotation.

From The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting by Martin, Thomas Commerford