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{%type%} Definitions

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Short "hint"

n. - A valuable black mineral combining niobite and tantalite.

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Usage examples (37)
  • The massive demand for coltan is credited with fueling the
  • The massive demand for coltan is credited with fueling the Second Congo War of 1998-2002.
  • There is gold, copper, diamonds, uranium and tantalum, known as coltan, which is used in electronic devices such as cellphones and computers.
  • Mobile phones contain a mineral called coltan which is used in the electrical capacitors.
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