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Permalloy

[ purm-al-oi, pur-muh-loi ]
/ ˌpɜrmˈæl ɔɪ, ˈpɜr məˌlɔɪ /
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Trademark.
a brand name for any of a class of alloys of high magnetic permeability, containing from 30 to 90 percent nickel.
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Origin of Permalloy

First recorded in 1920–25; perm(anent) + alloy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for Permalloy

permalloy
/ (pɜːmˈælɔɪ) /

noun
any of various alloys containing iron and nickel (45–80 per cent) and sometimes smaller amounts of chromium and molybdenum

Word Origin for permalloy

C20: from perm (eability) + alloy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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