| English noun: atomic number 73 | |||
| 1. | atomic number 73 (substance) a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite | ||
| Synonyms | Ta, tantalum | ||
| Broader (hypernym) | metal, metallic element | ||
| Substance meronym | columbite, fergusonite, niobite, tantalite | ||