Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun niobium

1 sense of niobium

Sense 1
niobium, Nb, atomic number 41 -- (a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium)
       => metallic element, metal -- (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)