niobium   (TTS Sound)

The niobium has 1 Senses.

• nb, atomic number 41, niobium
• ニオブ
• a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
• 柔らかで灰色の延性に富んだ金属元素で、合金に用いられる