niobium Definition
nio·bium (nī ō′bē əm)
noun
a gray or white, metallic chemical element, somewhat ductile and malleable, used in alloy steels, superconducting alloys, in jet engines and rockets, etc.: symbol, Nb; at. no., 41
Etymology: ModL: so named (1844) by H. Rose (1795-1864), Ger chemist (for earlier columbium) < Gr Niobē (because of its close relationship to tantalum) + -ium: see Niobe & tantalum
niobium Usage Examples
Modifies a noun
substrate: This technique has been successfully used to determine the Poisson's ratio of titanium nitride coatings applied to different stainless steel and niobium substrates.
Noun used with modifier
ton: These effects are examined in a 1.5 ton niobium resonant bar antenna.
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