A compound or salt in which alumina or aluminium hydroxide is combined with an alkali or base. Also: any of various oxyanions or hydroxy anions of aluminium; a compound containing such an anion.
Early 19th century. From alumina + -ate, apparently after Swedish aluminiat.
with object To coat or cover with aluminium; to treat or cause to react with aluminium; to introduce aluminium into.
1930s; earliest use found in Science News. From alumin- + -ate, probably after aluminated.