demagnetize

Definitions of demagnetize
  1. verb
    make nonmagnetic; take away the magnetic properties (of)
    demagnetize the iron shavings”
    synonyms: degauss, demagnetise
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    Antonyms:
    magnetise, magnetize
    make magnetic
    type of:
    alter, change, modify
    cause to change; make different; cause a transformation
  2. verb
    erase (a magnetic storage device)
    synonyms: demagnetise
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    type of:
    delete, erase
    wipe out digitally or magnetically recorded information
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