Is “Niobium” a Scrabble word?
Yes
NIOBIUM
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Niobium
/naɪˈoʊbiəm/
noun
1.A chemical element (symbol Nb) with an atomic number of 41: a light grey, crystalline, ductile transition metal used in superconducting materials.
2.A single atom of this element.
Synonyms: columbium, dianium