Meaning Of The Word Niobium
What's the definition of Niobium? Find Niobium meanings, definitions and more at the Real Dictionary online.
Niobium Meaning
| Niobium Definition |
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What's The Definition Of Niobium?
niobium in American English
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 noun: a steel-gray metallic element resembling tantalum in its chemical properties; becomes a superconductor below 9 K; used chiefly in alloy steels; at. no.: 41; at. wt.: 92.906; sp. gr.: 8.4 at 20°C niobium in British English noun: a ductile white superconductive metallic element that occurs principally in columbite and tantalite: used in steel alloys. Symbol: Nb; atomic no: 41; atomic wt: 92.90638; valency: 2, 3, or 5; relative density: 8.57; melting pt: 2469±10°C; boiling pt: 4744 |
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