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permalloy Syllabification: perm·al·loy
Pronunciation: /ˈpərməˌloi/ /ˌpərmˈaloi/

Definition of permalloy in English:


An alloy of nickel and iron that is easily magnetized and demagnetized, used in electrical equipment.
Example sentences
  • He and his colleagues deposited exquisitely thin loops of an easily magnetized nickel-iron compound called permalloy onto silicon wafers.
  • The readback portion of the head is a conventional permalloy shielded, bottom spin valve sensor.


1920s: (originally as a trademark) from permeable + alloy. See permeability (sense 2).

Definition of permalloy in:
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