銅どう合ごう金きん

noun

copper alloy

Technical term for any alloy whose main component is copper, such as brass or bronze.

• 銅どう合ごう金きんは電でん気き伝でん導どう性せいが高たかいため、電でん子し部ぶ品ひんに広ひろく使つかわれている。

  Copper alloys are widely used in electronic components because of their high electrical conductivity.