COLUMBITE-TANTALITE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A valuable black mineral combining niobite and tantalite; used in cell phones and computer chips

Synonyms:

coltan; columbite-tantalite

Classified under:

Nouns denoting substances

Hypernyms ("columbite-tantalite" is a kind of...):

mineral (solid homogeneous inorganic substances occurring in nature having a definite chemical composition)

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