demagnetization

/diːˌmæɡnɪtaɪˈzeɪʃən/
noun
  1. The process of removing magnetic properties from an object.
    • Demagnetization is necessary before welding certain metal tools.
    • The demagnetization of the credit card strip ruined the card.
    • Scientists studied the demagnetization of rocks to understand Earth's history.
Synonyms
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