columbium

[ kuh-luhm-bee-uhm ]

/ kəˈlʌm bi əm /

noun Chemistry.

(formerly) niobium. Symbol: Cb

Origin of columbium

1801; Columb(ia) (a literary name for the United States of America) + -ium

Words nearby columbium

Columbian, Columbia River, columbic, columbine, columbite, columbium, columbous, Columbus, Columbus Air Force Base, Columbus, Christopher, Columbus Day

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for columbium

Chemically related to vanadium are the two elements tantalum and columbium or niobium.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1|Various
Columbium pentoxide (columbic acid), Cb2O5, is obtained from columbite, after the removal of tantalum (see above).
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6|Various
Columbium pentafluoride, CbF5, is obtained when the pentoxide is dissolved in hydrofluoric acid.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6|Various
Columbium is a metal closely resembling tantalum and tantalum found a use as electric light filaments.
Creative Chemistry|Edwin E. Slosson

Columbium was discovered in a mineral sent from Massachusetts in North America.
The Mosaic History of the Creation of the World|Thomas Wood

British Dictionary definitions for columbium

columbium

/ (kəˈlʌmbɪəm) /

noun

the former name of niobium

Word Origin for columbium

C19: from New Latin, from Columbia, the United States of America

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	columbium
释义	columbium [ kuh-luhm-bee-uhm ] / kəˈlʌm bi əm / noun Chemistry. (formerly) niobium. Symbol: Cb Origin of columbium 1801; Columb(ia) (a literary name for the United States of America) + -ium Words nearby columbium Columbian, Columbia River, columbic, columbine, columbite, columbium, columbous, Columbus, Columbus Air Force Base, Columbus, Christopher, Columbus Day Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for columbium Chemically related to vanadium are the two elements tantalum and columbium or niobium. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1\|Various Columbium pentoxide (columbic acid), Cb2O5, is obtained from columbite, after the removal of tantalum (see above). Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6\|Various Columbium pentafluoride, CbF5, is obtained when the pentoxide is dissolved in hydrofluoric acid. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6\|Various Columbium is a metal closely resembling tantalum and tantalum found a use as electric light filaments. Creative Chemistry\|Edwin E. Slosson Columbium was discovered in a mineral sent from Massachusetts in North America. The Mosaic History of the Creation of the World\|Thomas Wood British Dictionary definitions for columbium columbium / (kəˈlʌmbɪəm) / noun the former name of niobium Word Origin for columbium C19: from New Latin, from Columbia, the United States of America Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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