permalloy Hear it!

permalloy definition

☆ perm·alloy (pʉrm′al′o̵i, pʉr′mə lo̵i′)

noun

any of a series of alloys of iron and nickel with high magnetic permeability: used in magnetic cores, for wrapping underwater cables, etc.

Etymology: perm(eability) + alloy

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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