demagnetisation

/diːˌmæɡnɪtaɪˈzeɪʃən/
noun
  1. The process of removing magnetic properties from an object.
    • The demagnetisation of the old speaker made it stop working.
    • Demagnetisation is often used to erase data from magnetic tapes.
    • Engineers performed a demagnetisation on the metal parts to prevent interference.
Synonyms
What does "demagnetisation" mean? | whatsthatwordmean | whatsthatwordmean