Niobium — synonyms, definition

1. niobium (Noun)

2 synonyms
NB atomic number 41
1 definition

niobium (Noun) — A soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium.

2 types of
metal metallic element
1 type
columbium
2 parts of
columbite niobite