demagnetise

Verb

erase (a magnetic storage device)
make nonmagnetic; take away the magnetic properties (of)
To make something non-magnetic by removing its magnetic properties.
To erase the contents of a magnetic storage device.

Origin / Etymology

From de- + magnetise.

Synonyms

degauss, demagnetize

Antonyms

magnetise, magnetize

Scrabble Score: 15

demagnetise: not valid in Scrabble (US) TWL Dictionary
demagnetise: not valid in Scrabble (MW) Merriam-Webster Dictionary
demagnetise: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 18

demagnetise: valid Words With Friends Word