nb   (TTS Sound)

The nb has 2 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

• nota bene, nb, n.b.
• 備考
• a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something; "the margins of his book were generously supplied with pencilled NBs"
• 特別な注意が何かに払われなければならないことを示すのに用いられるラテン語のフレーズ（またはその省略形）