niobium

1. A silvery, soft, ductile metallic element that occurs chiefly in columbite-tantalite and is used in steel alloys, arc welding, and superconductivity research. Atomic number 41; atomic weight 92.906; melting point 2,468°C; boiling point 4,927°C; specific gravity 8.57; valence 2, 3, 5. See Table at element.

2. A lustrous light gray ductile metallic element that resembles tantalum chemically and is used in alloys .

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Top Words by points	Points	Word Game
niobium	11	Scrabble

2 Letters	Scrabble® Points
bo	4
oi	2
om	4
on	2
nu	2
no	2
um	4
un	2
mu	4
mo	4
mi	4
bi	4
in	2

3 Letters	Scrabble® Points
uni	3
bin	5
bio	5
nub	5
nom	5
nob	5
nim	5
nib	5
bum	7
bun	5
obi	5
ion	3
mun	5
mon	5
moi	5
mob	7
mib	7

4 Letters	Scrabble® Points
umbo	8
numb	8
muon	6
muni	6
mini	6

5 Letters	Scrabble® Points
nimbi	9
onium	7
imino	7

6 Letters	Scrabble® Points
ionium	8

7 Letters	Scrabble® Points
niobium	11