coltan

noun
col·​tan | \ ˈkōl-ˌtan How to pronounce coltan (audio) \

Definition of coltan

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

First Known Use of coltan

1999, in the meaning defined above

History and Etymology for coltan

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

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The first known use of coltan was in 1999

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