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columbium

American  
[kuh-luhm-bee-uhm] / kəˈlʌm bi əm /

noun

Chemistry.
  1. (formerly) niobium. Cb


columbium British  
/ kəˈlʌmbɪəm /

noun

  1. the former name of niobium

"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

Etymology

Origin of columbium

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Almost all the world's supply of columbium ore comes from primitive mines in Nigeria; the U.S. was able to get only 1,727,000 Ibs. last year.

From Time Magazine Archive

Since world production of columbium cannot be stepped up for another three years, the U.S. has turned to titanium.

From Time Magazine Archive

But the Air Force wanted titanium desperately not only in its pure state but as an ideal substitute for columbium as a hardening agent in alloys.

From Time Magazine Archive

Pratt & Whitney has already made big gains in solving the problem.lt has worked out high-alloy mixes which eliminate the use of columbium completely in the J-48.

From Time Magazine Archive

A columbium lamp should appeal to our patriotism.

From Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries by Slosson, Edwin E.

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