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Definition of Columbium
1. Noun. A former name for niobium.
Definition of Columbium
1. 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.
Definition of Columbium
1. Noun. (obsolete) The former name of niobium ¹
¹ Source: wiktionary.com
Definition of Columbium
1. [n -S]
Medical Definition of Columbium
1. Former name for niobium. Abbreviation: Cb Origin: Columbia, name for America (05 Mar 2000)
Lexicographical Neighbors of Columbium
Literary usage of Columbium
Below you will find example usage of this term as found in modern and/or classical literature:
1. Standard Methods of Chemical Analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1917)
"columbium is insoluble in hydrochloric, nitric and in nitro-hydrochloric acid,
but dissolves in ... Separations Isolation of columbium and Tantalum Oxides. ..."
2. Journal of the American Chemical Society by American Chemical Society (1896)
"Among the more metallic members of Group V of the Periodic System are the elements
columbium and tantalum, which, though almost a century old and counting ..."
3. Elements of Chemistry: Including the Recent Discoveries and Doctrines of the by Edward Turner (1835)
"It falls ae a brown precipitate, which becomes black in drying. It is soluble to
a certain extent in water which is free from saline matter. columbium. ..."
4. A Dictionary of Applied Chemistry by Thomas Edward Thorpe (1912)
"Columbite is found as single crystals embedded in pegmatite at Haddam in Connecticut,
Chesterfield in Massachusetts, Moss in Norway, &c. LJS columbium ..."
5. A Dictionary of Applied Chemistry by Thomas Edward Thorpe (1921)
"columbium is a member of a group of comparatively rare metals, including tantalum,
tungsten, molybdenum, titanium, and uranium, commonly occurring together ..."
6. The Chemical News and Journal of Industrial ScienceChemistry (1905)
"Later, Wollaston (1809) strove to prove that columbium and tantalum were identical.
In this he failed. The few reactions known even at that early day ..."
7. Abstracts of the Papers Printed in the Philosophical Transactions of the by Royal Society (Great Britain) (1832)
"The iron and manganese may then be dissolved, along with the salts employed, by
muriatic acid, and the oxide of columbium or ..."
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