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Mumetal

American  
[moo-met-l, myoo-] / ˈmuˌmɛt l, ˈmyu- /

noun

  1. an alloy containing nickel, iron, and copper, characterized by high magnetic permeability and low hysteresis losses.


Etymology

Origin of Mumetal

Formerly a trademark; mu (representing the Greek letter, a conventional symbol for permeability) + metal

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Big copper work robots, small aluminum sales-girl mechs, plastoid clerks and typists, squatty little Mumetal lab servos, rationaloids, non-rationaloids and just plain sub-robots—all sizes and shapes.

From Project Gutenberg