columbium

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co⋅lum⋅bi⋅um

[kuh-luhm-bee-uh

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–noun Chemistry.

(formerly) niobium. Symbol: Cb

Origin:
1801; Columb(ia) (def. 7) + -ium

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Niobium and Alloys
Nb, Ta, W, Mo, Ti, Be/Cu and alloys Tube, Plate, Rod, and Powder Mfg

www.grandviewmaterials.com

Columbium
Search Thousands of Catalogs for Columbium

www.globalspec.com

co·lum·bi·um (kə-lŭm'bē-əm)

n. Symbol Cb
Niobium. No longer in scientific use.

[After Columbia².]

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: co·lum·bi·um
Pronunciation: k&-'l&m-bE-&m
Function: noun
:

NIOBIUM

Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Encyclopedia

columbium

chemical element, refractory metal of Group Vb of the periodic table, used in alloys, tools and dies, and superconductive magnets. Niobium is closely associated with tantalum in ores and in properties.

Learn more about columbium with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Niobium - Asian Metal
Columbium Information Center Niobium & FeNb News, Prices, Trade

AsianMetal.com

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