ニオブにおぶFreq.FrequencyTop 100,000Meanings1nounniobium (Nb)Chemical element with atomic number 41. Used in alloys and superconductors.from German Niobニオブ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.
