English dictionary
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English noun: niobite | |||
| 1. | niobite (substance) a black mineral that is an ore of niobium and tantalum | ||
| Synonyms | columbite | ||
| Broader (hypernym) | mineral | ||
| Substance holonym | atomic number 41, atomic number 73, Nb, niobium, Ta, tantalum | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2025 onlineordbog.dk