niobium
Niobium (noun) means a light grey, ductile metallic element with the symbol Nb and atomic number 41, used in superconducting materials. Example: “Niobium is used in some superconducting materials.”
How to use niobium
Learner’s notesIn plain EnglishA grey transition metal, symbol Nb, used in superconductors.
It is a technical chemistry term, and the alternative name columbium belongs to metallurgy only.
The stress falls on the second syllable, OH, so it sounds like ny-OH-bee-um.
Trace the full origin ↓Fill the gap
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_____ is used in some superconducting materials.
Etymology
The name comes from Niobe plus the suffix -ium. It was chosen because the element behaves much like tantalum, which was named after Niobe's father Tantalus.