to neutralize the magnetic field of (a ship's hull) as a protection against magnetic mines, using equipment producing an opposing magnetic field
2. another word for demagnetize
degauss in American English
(diˈgaʊs)
verb transitive
to demagnetize (as a ship for protection against magnetic mines) by passing an electric current through a coil or coils along or around the edge in order to neutralize the surrounding magnetic field