mu-metal

noun

An alloy with high magnetic permeability, consisting of nickel (77%) and iron (15%) with traces of copper and molybdenum.

Meanings

nounmu-metal (uncountable)

alternative mumetal

  1. uncountableAn alloy with high magnetic permeability, consisting of nickel (77%) and iron (15%) with traces of copper and molybdenum.

Origin

From mu + metal; the Greek letter mu (μ) is a symbol for permeability.

Full word history & related roots →
Cite this entry
APA

mu-metal. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/mu-metal

MLA

“mu-metal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mu-metal. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “mu-metal,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/mu-metal.

Source: mu-metal on Wiktionary, CC BY-SA 4.0.