mokume gane
/mɒˈkuːmeɪ ˈɡɑːneɪ/(also mokume-gane, mokumé gané)
noun
A decorative alloy or laminate made of mixed metals and used in the mokume technique.
Origin
1970s; earliest use found in The Washington Post. From Japanese mokume-gane from mokume + -gane, combining form of kane metal.