Permalloy

[ purm-al-oi, pur-muh-loi ]

Trademark.

1. a brand name for any of a class of alloys of high magnetic permeability, containing from 30 to 90 percent nickel.

permalloy

/ pɜːmˈælɔɪ /

noun

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

Word History and Origins

Origin of Permalloy¹

First recorded in 1920–25; perm(anent) + alloy

Word History and Origins

Origin of Permalloy¹

C20: from perm ( eability ) + alloy