English dictionary



Hint: Asterisk (*) is a wildcard. Asterisk substitutes zero or more characters.

English noun: niobite

1. niobite (substance) a black mineral that is an ore of niobium and tantalum


Synonymscolumbite


Broader (hypernym)mineral


Substance holonymatomic number 41, atomic number 73, Nb, niobium, Ta, tantalum









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk