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