noun
demagnetization; degaussing
Technical term for removing magnetism from an object, such as a CRT monitor, magnetic tape, or a ship's hull.
ブラウン管の色むらを直すために消磁を行う。
Perform degaussing to fix color unevenness on a CRT monitor.
磁気テープは消磁すると記録が消える。
When magnetic tape is demagnetized, the recording is erased.