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Any of several hard, strong alloys of iron, aluminum, nickel, cobalt and sometimes copper, niobium, or tantalum, used to make strong permanent magnets.
(Elements & Compounds) trademark an alloy of aluminium, nickel, cobalt, iron, and copper, used to make permanent magnets
a permanent-magnet alloy having aluminum, nickel, and cobalt as its principal ingredients.
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|Noun||1.||Alnico - trade name for an alloy used to make high-energy permanent magnets; contains aluminum and iron and nickel plus cobalt or copper or titanium|