[ dee-gous ]
/ diˈgaʊs /

verb (used with object)

to demagnetize (a ship's hull, electrical equipment, etc.) by means of electric coils.
Compare deperm.

Origin of degauss

First recorded in 1935–40; de- + gauss Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for degauss

/ (diːˈɡaʊs, -ˈɡɔːs) /

verb (tr)

to neutralize the magnetic field of a ship's hull (as a protection against magnetic mines) using equipment producing an opposing magnetic field
another word for demagnetize
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for degauss

[ dē-gous ]

To neutralize or rebalance the magnetic field of a magnetized object, such as a computer monitor or the read/write head of a disk drive or tape recorder.
To erase information from a magnetic disk, tape, or other magnetic storage device.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.