COLTAN as NOUN

1. Meaning
   • a valuable black mineral combining niobite and tantalite
   • used in cell phones and computer chips
   Synonym(s)
   • columbite-tantalite (what does columbite-tantalite mean?)
   Hypernyms(s) coltan is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • mineral (what does mineral mean?)