Letters that make Nb
b, n are letters that make 'Nb'
Words within Nb
are words within 'Nb'
1 possible definitions for 'Nb'
Under this definition, nb is a noun and has the following properties:
niobium, atomic number 41 have the same meaning as 'Nb'
'Nb' can be a type of metallic element, metal.
columbium is a type of Nb.