de gauss

degauss

[dee-gous]
verb (used with object)
to demagnetize (a ship's hull, electrical equipment, etc.) by means of electric coils.
Compare deperm.


Origin:
1935–40; de- + gauss

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World English Dictionary
degauss (diːˈɡaʊs, -ˈɡɔːs)
 
vb
1.  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

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

degauss
"de-magnetize," originally especially of ships as a defense against magnetic mines, 1940, from Ger. scientist Carl Friedrich Gauss (1777-1855), a pioneer in the study of magnetics.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
degauss   (dē-gous')  Pronunciation Key 
  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
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