coltan

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col·tan

 (kŏl′tăn′)

coltan

(ˈkɒlˌtæn)
n
(Elements & Compounds) a metallic ore found esp in the E Congo, consisting of columbite and tantalite (a source of the element tantalum)
[C20: from columbite + tantalite]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.coltan - a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
References in periodicals archive ?
I congratulate 130 Sqn and Lockheed Martin on this occasion, and look forward to the Team achieving the next 50,000 hours, said COL Tan Yik, Head Air Training, the Republic of Singapore Air Force.