1. deperm - Noun
2. deperm - Verb
deperm (third-person singular simple present deperms, present participle deperming, simple past and past participle depermed)
(transitive, chiefly nautical) To degauss or demagnetize; especially, to degauss a ship by dragging a large powered electrical cable along its side.
Synonym: wipe
deperm (plural deperms)
(chiefly nautical) The act or process of deperming.