Correct

消磁

/ xiāo cí /
Strokes

Example

As a Verb

demagnetize; degauss

1
Zhè
zhāng
xiāo
消磁
le

Your card has been demagnetized.

2
Gěi
xiāo
消磁卡
chóngxīn
重新

rewrite the information on the magnetic strip of a demagnetized card

3
Gěi
xiǎnshì
显示器
xiāo
消磁

degauss a monitor