transitive verb

: to demagnetize partly (a ship's steel hull) as a precaution against magnetic mines by surrounding in dry dock with a large coil through which is sent an alternating current very strong at first but gradually diminishing in intensity compare degauss

Word History


de- + permanent magnetism

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Dictionary Entries Near deperm

Cite this Entry

“Deperm.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2024.

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