Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun tantalum

1 sense of tantalum

Sense 1
tantalum, Ta, atomic number 73 -- (a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite)
       => metallic element, metal -- (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)