demagnify
/ˌdɛmæɡˈnaɪfaɪ/Definitions
1. verb
to reduce the strength of a magnetic field or a magnetic effect
“The scientist had to demagnify the magnet to analyze the particles without being affected by its magnetic field.”
2. verb
to decrease or reduce the magnetic properties of something
“The engineer demagnified the material to make it non-magnetic for use in electronics.”
3. verb
to remove or reduce magnetism from something
“The technician had to demagnify the equipment before it could be used in the cleanroom.”