niobium

zirconium$\longleftarrow$ 41 $\longrightarrow$molybdenum

Pronunciation

• Hyphenation: ni‧o‧bi‧um

Noun

Singular niobium

Plural none

1. An element with atomic number 41 and the symbol Nb. It was formerly known as columbium (Cb), but is now called "niobium".
   • Synonyms: columbium and dianium

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