Definition of Aich's metal in US English:

Aich's metal

(also Aich metal)


  • A hard alloy of copper, zinc, and iron, used (especially formerly) in gun-making and marine engineering.


Mid 19th century; earliest use found in Chemical News. From the genitive of the name of Johann Aich, Austrian naval officer, who invented the alloy, for which a British patent was subsequently issued (3 Feb. 1860) + metal, after German Aichmetall. In some forms from the name of Johann Aich + metal.


Aich's metal

/ˈeɪks ˌmɛt(ə)l/