コバルト爆ばく弾だん

noun

cobalt bomb

A theoretical nuclear weapon designed to produce large amounts of radioactive cobalt-60 fallout, making an area uninhabitable for decades. The term is primarily technical and historical.

• コバルト爆ばく弾だんは、核かく兵へい器きの一いっ種しゅとして議ぎ論ろんされたことがある。

  The cobalt bomb has been discussed as a type of nuclear weapon.