Permalloy

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
Any of a class of nickel/iron alloys that have a high magnetic permeability.
2
an 80/20 alloy of nickel and iron; easily magnetized and demagnetized wordnet

Etymology

Blend of permeable + alloy.

Related phrases

magnetic permeability

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.