Permalloy

Permalloy [purm-al-oi, pur-muh-loi] Word Origin Trademark.

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

Origin of Permalloy First recorded in 1920–25; perm(anent) + alloy British Dictionary definitions for permalloy permalloy noun

1. 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