alnico
/ˈalnɪkəʊ/ /alˈnɪkəʊ/noun
Any of a group of iron alloys containing nickel, aluminium, and cobalt, used to make permanent magnets.
- The alloys additionally contain small amounts of copper and, sometimes, titanium..
Origin
1930s; earliest use found in Ada (Oklahoma) Evening News. From al- + ni- + co-.