one of a series of cobalt and nickel arsenide minerals that occur with other cobalt and nickel minerals in moderate-temperature veins. The members of the series, which all form crystals of isometric symmetry, are skutterudite and smaltite; their compositions approach that of (Co,Fe,Ni)As23.
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|a fool or simpleton; ninny.|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|