magnetise
/ˈmæɡnətaɪz/give magnetic properties to; make magnetic. "the current creates a field to magnetize the core in alternate directions"
verb [vt. 及物动词] (使)磁化;吸引,迷住(等于 magnetize)
Make a Mobius strip out of a ribbon of mild steel and magnetise it. 用一根软钢条做成麦比乌斯带,将其磁化。