columbium

Definitions

  • WordNet 3.6
    • n columbium a former name for niobium
    • ***
Webster's Revised Unabridged Dictionary
    • n Columbium (Chem) 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.
    • ***
Century Dictionary and Cyclopedia
    • n columbium Same as niobium.
    • n columbium In chem., a supposed new element announced in 1879 by J. L. Smith as present in the mineral samarskite: its existence has not been confirmed. Distinct from the previously known element columbium or niobium.
    • ***
Chambers's Twentieth Century Dictionary
    • Columbium a metallic element now called niobium
    • ***

Etymology

Webster's Revised Unabridged Dictionary
NL., fr. Columbia, America
Chambers's Twentieth Century Dictionary
Columbia, America, from Columbus (1447-1506), its discoverer.

Usage

In literature:

CERIUM, LANTHANIUM, DIDYMIUM, COLUMBIUM, NIOBIUM, PELOPIUM, TITANIUM, URANIUM, VANADIUM, CHROMIUM, MANGANESE.
"A System of Instruction in the Practical Use of the Blowpipe" by Anonymous
Then there is columbium, the American metal.
"Creative Chemistry" by Edwin E. Slosson
Thus C stands for carbon, Cl for chlorine, Cd for cadmium, Ce for cerium, Cb for columbium.
"An Elementary Study of Chemistry" by William McPherson
Chemically related to vanadium are the two elements tantalum and columbium or niobium.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1" by Various
Columbium discovered by Hatchett.
"The Progress of Invention in the Nineteenth Century." by Edward W. Byrn
***

In news:

Revision of A736 / A736M - 03(2007) Standard Specification for Pressure Vessel Plates, Low-Carbon Age-Hardening Nickel-Copper-Chromium-Molybdenum- Columbium and Nickel-Copper-Manganese-Molybdenum- Columbium Alloy Steel.
Revision of A710 / A710M - 02(2007) Standard Specification for Precipitation-Strengthened Low-Carbon Nickel-Copper-Chromium-Molybdenum- Columbium Alloy Structural Steel Plates.
Revision of A736 / A736M - 03(2007) Standard Specification for Pressure Vessel Plates, Low-Carbon Age-Hardening Nickel-Copper-Chromium-Molybdenum-Columbium and Nickel- Copper-Manganese -Molybdenum-Columbium Alloy Steel.
Revision of A736 / A736M - 03(2007) Standard Specification for Pressure Vessel Plates, Low-Carbon Age- Hardening Nickel-Copper-Chromium-Molybdenum-Columbium and Nickel-Copper-Manganese-Molybdenum-Columbium Alloy Steel.
Revision of A710 / A710M - 02(2007) Standard Specification for Precipitation-Strengthened Low-Carbon Nickel-Copper-Chromium-Molybdenum-Columbium Alloy Structural Steel Plates.
***