Yttro-columbite
Yt`tro-co*lum"bite\, Yttro-tantalite \Yt`tro-tan"ta*lite\, n. (Min.) A tantalate of uranium, yttrium, and calcium, of a brown or black color.| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
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