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columbium
[ kuh-luhm-bee-uhm ]
columbium
/ kəˈlʌmbɪəm /
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Word History and Origins
Origin of columbium1
1801; Columb(ia) (a literary name for the United States of America) + -ium
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Word History and Origins
Origin of columbium1
C19: from New Latin, from Columbia, the United States of America
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Example Sentences
Chemically related to vanadium are the two elements tantalum and columbium or niobium.
From Project Gutenberg
Columbium is a metal closely resembling tantalum and tantalum found a use as electric light filaments.
From Project Gutenberg
Columbium was discovered in a mineral sent from Massachusetts in North America.
From Project Gutenberg
Columbium pentoxide (columbic acid), Cb2O5, is obtained from columbite, after the removal of tantalum (see above).
From Project Gutenberg
Columbium pentafluoride, CbF5, is obtained when the pentoxide is dissolved in hydrofluoric acid.
From Project Gutenberg
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