1) Atomic number 41 2) Niobium
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https://www.crosswordclues.com/clue/columbium
• (n.) A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly called niobium.
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http://thinkexist.com/dictionary/meaning/columbium/
chemical element discovered and named in 1801. It was rediscovered in 1844 and renamed niobium (q.v.).
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http://www.britannica.com/eb/a-z/c/113
Former name for niobium. ... Abbreviation: Cb ... Origin: Columbia, name for America ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973
A metal which may be added to chrome-nickel stainless steel to improve its welding and general heat-resistant qualities, by preventing carbide precipitation.
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http://www.encyclo.co.uk/local/21038
Co·lum'bi·um noun [ New Latin , from
Columbia America.]
(Chemistry) A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly called
niobium .
Found on
http://www.encyclo.co.uk/webster/C/113
(Cb) Type: Term Pronunciation: kol-ŭm′bē-ŭm Definitions: 1. Former name for niobium.
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http://www.medilexicon.com/medicaldictionary.php?t=19129
Columbium is an alternative name for the element Niobium, so named from being discovered in the mineral columbite.
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http://www.probertencyclopaedia.com/browse/GC.HTM
Niobium
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http://www.translationdirectory.com/glossaries/glossary075.htm
[
n] - a former name for niobium
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http://www.webdictionary.co.uk/definition.php?query=columbium
Chemical symbol Cb. Element No. 41 of the periodic system. Atomic weight 92.91. It is steel gray in color and brilliant luster. Specific gravity 8.57. Melting point at about 4380 (degrees) F. It is used mainly in the production of stabilized austenitic chromium-nickel steels, also to reduce the air-hardening characteristics in plain chromium steels...
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https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/
Chemical symbol Co. Refractory metal used as an alloying agent in steel making; essential for high-strength,low-alloy grades. Has some worked metal applications, mostly alloyed with zirconium or titanium for aerospace applications. CalledNiobium (Nb) everywhere but the U.S.
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https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/
noun a former name for niobium
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https://www.encyclo.co.uk/local/20974
Former name for the chemical element niobium. The name is still used occasionally in metallurgy
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https://www.encyclo.co.uk/local/21221
(formerly) niobium. Symbol: Cb
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https://www.infoplease.com/dictionary/columbium
Chemical symbol Cb. Element No. 41 of the periodic system. Atomic weight 92.91. It is steel gray in color and brilliant luster. Specific gravity 8.57. Melting point at about 4380
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https://www.unifiedalloys.com/resources/glossary/
No exact match found.
