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[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 Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for degauss


/diːˈɡaʊs; -ˈɡɔːs/
verb (transitive)
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
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Word Origin and History for degauss

"de-magnetize," originally especially of ships as a defense against magnetic mines, 1940, from German scientist Carl Friedrich Gauss (1777-1855), a pioneer in the study of magnetics.

Online Etymology Dictionary, © 2010 Douglas Harper
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degauss in Science
  1. 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.

  2. To erase information from a magnetic disk, tape, or other magnetic storage device.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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