NIOBIUM


Meaning of NIOBIUM in English

/nuy oh"bee euhm/ , n. Chem.

a steel-gray metallic element resembling tantalum in its chemical properties; becomes a superconductor below 9 K; used chiefly in alloy steels. Symbol: Nb; at. no.: 41; at. wt.: 92.906; sp. gr.: 8.4 at 20°C.

[ 1835-45; ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .