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niobium Definition

nio·bium (nī ōbē 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.

Browse dictionary entries near niobium

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