English-Thai: Longdo Dictionary (UNAPPROVED version -- use with care ) Longdo Unapproved EN-TH **ระวัง คำแปลอาจมีข้อผิดพลาด**
[โคลัมไบต์] (n) แร่โคลัมไบต์ (สินแร่ชนิดหนึ่งของธาตุแทนทาลัมในธรรมชาติ)
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
n. [ Cf. F. colombite. See Columbium. ] (Min.) A mineral of a black color, submetallic luster, and high specific specific gravity. It is a niobate (or columbate) of iron and manganese, containing tantalate of iron; -- first found in New England. [ 1913 Webster ]
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