fermium isotope[核] 镄同位素
fermium compound[无化] 镄化合物
fermium amalgam镄汞齐
fermium bromide溴化镄
N(名词) a transuranic element artificially produced by neutron bombardment of plutonium. Symbol: Fm; atomic no: 100; half-life of most stable isotope, 257Fm: 80 days (approx.) 镄