demagnetization

/'di:,mægnitai'zeiʃn/
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Thân thiện
demagnetization

The technician performs demagnetization on the old hard drive.

Definition

Noun 1. The process of removing magnetization: The act or procedure of eliminating or reducing the magnetic properties of a material, causing it to lose its magnetic field.

Usage

Demagnetization is a technical term used primarily in physics, engineering, and materials science. It describes the deliberate action of making a magnetized object non-magnetic. This can be achieved through various methods, such as heating, hammering, or applying a reverse magnetic field.

Examples
  • The demagnetization of the hard drive was necessary to securely erase all data.
  • A common method for the demagnetization of a permanent magnet is to heat it above its Curie temperature.
  • The technician performed a demagnetization on the tool to prevent it from attracting metal shavings.
Advanced Usage
  • Degaussing: A specific technical term often used synonymously with , especially for ships or cathode-ray tube monitors, to neutralize magnetic fields.
    • The ship underwent degaussing to protect it from magnetic mines.
Variants and Related Words
  • Demagnetize (verb): To remove the magnetic properties from something.
    • You can demagnetize a screwdriver by tapping it with a hammer.
  • Demagnetizer (noun): A device used to remove magnetization.
    • He used a tape head demagnetizer on the audio recorder.
Synonyms
  • Degaussing (specific technical context)
  • Magnetic erasure
Antonyms
  • Magnetization: The process of making something magnetic.
demagnetization

The technician performs demagnetization on the old hard drive.

Noun
  1. the process of removing magnetization