variants: or less commonly air-cored

Definition of air-core

: having no magnetic material (as iron) in its magnetic circuit used especially of certain coils, solenoids, or transformers

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First Known Use of air-core

1891, in the meaning defined above

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The first known use of air-core was in 1891

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Cite this Entry

“Air-core.” Dictionary, Merriam-Webster, Accessed 30 May. 2020.

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