Definition of cupronickel in English:

cupronickel

noun

  • An alloy of copper and nickel, especially in the proportions 3:1 as used in “silver” coins.

    • ‘The bullet was produced with a cupro-nickel jacket over a lead core.’
    • ‘In early designs bullet jackets were made of cupro-nickel and these have a silvery appearance.’
    • ‘The new $1 coins are made from cupro-nickel, which is a blend of copper and nickel, and are alternately plain and ribbed at the edges.’
    • ‘I'd extract the old coin and replace it with a new decimal cupro-nickel piece.’
    • ‘In 1965, production processes at the Mint included the manufacture of cupro-nickel, coinage bronze and silver blanks (melting, rolling and blanking) together with striking, packaging and distribution of the finished product.’

Pronunciation:

cupronickel

/ˌk(y)o͞oprōˈnik(ə)l/