Mumetal

[ moo-met-l, myoo- ]

noun

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

Word History and Origins

Origin of Mumetal¹

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

Example Sentences

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