The removal of unwanted magnetism from a television or monitor in order to correct colour disturbance.
- ‘receivers now have a coil around the front rim of the picture tube for automatic degaussing’
2The destruction of the data on a data storage device by removing its magnetism.
- ‘their on-site data destruction services include hard drive degaussing, wiping, and destruction’
3historical The neutralization of the magnetic field of a ship by encircling it with a conductor carrying electric currents.
- ‘degaussing is used to reduce the magnetic signatures of ships to counter magnetic mines’