mu-metal

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See also: mumetal

English[edit]

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Alternative forms[edit]

Etymology[edit]

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

Noun[edit]

mu-metal (uncountable)

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