Definition of Columbite
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(n.) 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.
Antonyms of Columbite
No Antonyms Found.
Homophones of Columbite
No Homophones Found.