| Tantalite | แทนทาไลต์ [TU Subject Heading] |
| tantalite | [แทนทาไลต์] (n) แร่แทนทาไลต์ (สินแร่ของธาตุแทนทาลัม มักพบคู่กับแร่ Columbite) |
| tantalite | (n) a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum |
| Tantalite | n. [ Cf. F. tantalite. ] (Min.) A heavy mineral of an iron-black color and submetallic luster. It is essentially a tantalate of iron. [ 1913 Webster ] |