air-core

[air-kawr, -kohr]

adjective

Electricity.

1. having a nonmagnetic core, as one of fiber or plastic, encircled by a coil air-corecoil, or containing one or more such coils.

   air-core transformer.

Word History and Origins

Origin of air-core¹

First recorded in 1890–95

Example Sentences

His firm’s air-core engines represent a big leap in sustainability; Caterpillar and Rockwell Automation are investors, while the federal government’s Green Proving Ground, which tests nascent building tech in federal buildings, is evaluating Infinitum products for potential wide scale deployment.

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The momentum of the muons can be precisely measured as they travel unperturbed by material for more than ~5 m in the air-core toroid field.

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The air-core magnet system allows a relatively lightweight overall structure leading to a detector weighing 7000 tonnes.

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In this latter figure you will notice a small air-core coil, LR, between the oscillator and the modulator tube.

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