Definition of Prince's metal in English:

Prince's metal

(also Princes' metal)

noun

historical
  • An alloy, resembling brass, consisting of about three parts copper and one part zinc, used especially for cheap jewellery.

Origin

Late 17th century; earliest use found in The London Gazette. From the genitive of prince + metal, the metal being so named after its inventor, Prince Rupert of the Rhine. Compare German Prinzmetall, † Prinzenmetall, French métal de prince.

Pronunciation

Prince's metal

/ˈprɪnsɪz ˌmɛtl/