Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun columbite-tantalite

1 sense of columbite-tantalite

Sense 1
columbite-tantalite, coltan -- (a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips)
       => mineral -- (solid homogeneous inorganic substances occurring in nature having a definite chemical composition)