Definition of columbium in English:

columbium

Line breaks: col¦um|bium
Pronunciation: /kəˈlʌmbɪəm
 
/

noun

Old-fashioned term for niobium.
More example sentences
  • Most alloying elements, such as chromium, columbium, copper, iron, manganese, molybdenum, tantalum, and vanadium stabilize the phase to the extent that a mixed - phase or an entirely phase alloy can persist down to room temperature.
  • The gas tungsten arc welding process is used for the pure columbium and for the lower strength commercial alloys.
  • To eliminate the intergranular corrosion, it is necessary either to reduce carbon to very low levels, or to add titanium and columbium to tie up the carbon and nitrogen.

Origin

early 19th century: modern Latin, from Columbia, a poetic name for America from the name of Christopher Columbus (see Columbus, Christopher).

Definition of columbium in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day hubris
Pronunciation: ˈhjuːbrɪs
noun
excessive pride or self-confidence