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

See Examples For:

air gap

If you have an air gap, some of the heat goes down, not up.

From Seattle Times ● Jan. 25, 2024

Besides cleaning whatever is at the bottom of the tub, you might also need to clean a part called an air gap that is next to the sink, higher than the dishwasher.

From Washington Post ● Aug. 1, 2022

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

From Scientific American ● Jul. 25, 2022

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

The magnetic circuit is therefore one of great efficiency, since it consists almost entirely of iron, the only air gap being that across which the attraction of the diaphragm is to take place.

From Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. by Miller, Kempster