Tantalum - Definition
tantalum
n 1: a hard grey lustrous metallic element that is highly
resistant to corrosion; occurs in niobite and fergusonite
and tantalite [syn: tantalum, Ta, atomic number 73]
n 1: a hard grey lustrous metallic element that is highly
resistant to corrosion; occurs in niobite and fergusonite
and tantalite [syn: tantalum, Ta, atomic number 73]