[ˌdiːˈɡaʊs], (Verb)

Definitions:
- remove unwanted magnetism from (a television or monitor) in order to correct colour disturbance
(e.g: I degaussed my monitor, but the ghost images remain)

- destroy the data on (a data storage device) by removing its magnetism
(e.g: modern drives will get destroyed if they are degaussed)

- neutralize the magnetic field of (a ship) by encircling it with a conductor carrying electric currents
(e.g: they degaussed the ship successfully but the equipment was very costly)


Phrases:

Origin:
1940s (in degauss): from de- + gauss