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columbiferous | columbiform bird | columbiformes | columbin | columbine | columbite | columbite-tantalite | columbium | columbo | columbus | columbus day

columbite

 : 
Noun
 : 
co=lum=bite

CIDE DICTIONARY

columbiten. [Cf. F. colombite. See Columbium.].
     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]

OXFORD DICTIONARY

columbite, n. US Chem. an ore of iron and niobium found in America.

Etymology
Columbia, a poetic name for America, + -ITE(1)

For further exploring for "columbite" in Webster Dictionary Online


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