ニオビウムにおびうむMeanings1nounniobiumChemical element with symbol Nb and atomic number 41. Used in alloys and superconductors.ニオビウムは超ちょう伝でん導どう磁じ石しゃくに使つかわれる金きん属ぞくです。Niobium is a metal used in superconducting magnets.
