Share this entry

Share this page

niobium

Line breaks: nio|bium
Pronunciation: /nʌɪˈəʊbɪəm
 
/

Definition of niobium in English:

noun

[mass noun]
The chemical element of atomic number 41, a silver-grey metal of the transition series, used in superconducting alloys. (Symbol: Nb)
Example sentences
  • Magnesium, titanium, zirconium, niobium, tantalum, molybdenum and tungsten may be soldered if they are plated with a solderable metal coating such as silver.
  • Other elements added to improve characteristics include nickel, molybdenum, copper, titanium, aluminum, silicon, niobium, nitrogen, sulfur, and selenium.
  • Depending on specific requirements related to their use, hard metals might additionally contain small quantities of chromium, niobium, molybdenum, titanium, tantalum or vanadium carbides.

Origin

mid 19th century: modern Latin, from Niobe, by association with her father Tantalus (so named because the element was first found in tantalite).

Definition of niobium in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day gourmand
Pronunciation: ˈɡʊəmənd
noun
a person who enjoys eating…