アルニコ合ごう金きん

noun

alnico; Al-Ni-Co alloy

A family of iron alloys containing aluminum, nickel, and cobalt, known for strong permanent magnets. Technical term used in materials science and engineering.

• アルニコ合ごう金きんは、スピーカーの磁じ石しゃくに使つかわれることがあります。

  Alnico alloys are sometimes used in speaker magnets.