coltan

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noun col·tan \ˈkōl-ˌtan\

Definition of coltan

  1. :  a dull black ore that consists of a mixture of columbite and tantalite and is a minor source of tantalum

Origin and Etymology of coltan

International Scientific Vocabulary columbo-tantalite, from columbite + -o- + tantalite


First Known Use: 1999


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to cast off or become cast off

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