niobium

noun
ni·​o·​bi·​um | \ nī-ˈō-bē-əm How to pronounce niobium (audio) \

Definition of niobium

: a lustrous light gray ductile metallic element that resembles tantalum chemically and is used in alloys — see Chemical Elements Table

Examples of niobium in a Sentence

Recent Examples on the Web Similarly, Rolex’s Parachrom balance spring, introduced in 2005 (niobium, zirconium, oxygen, altogether un-magnetizable), has given its watches significant advantages. Alex Doak, Wired, 30 Dec. 2021 Discovered in 1911 by Dutch physicist Heike Kamerlingh Onnes, the original superconductors were chunks of elemental metals, such as mercury and niobium, cooled to a few degrees above absolute zero. Robert F. Service, Science | AAAS, 26 Aug. 2021 The firm's Rare Metals division produces, reclaims, refines, and markets high-value niche metals and compounds that include gallium, indium, rhenium, tantalum, niobium, and hafnium. Moneyshow, Forbes, 19 Mar. 2021 Metallic superconductors such as pure aluminum or niobium, for example, have extremely low critical temperatures, typically only a few degrees above absolute zero. Jennifer Hackett, Scientific American, 17 Dec. 2015 The Estonian material, on the other hand, is a byproduct of tantalum and niobium production at a metals plant near the Baltic Sea. Zak Podmore, The Salt Lake Tribune, 16 Sep. 2020 One answer is niobium, a metal almost exclusively supplied by the South American country. Mark Olalde, USA TODAY, 11 July 2020 It is made from a C-103 niobium alloy, a fairly strong material. Eric Berger, Ars Technica, 3 June 2020 Other elements commonly found in modern stainless steel knives include nickel, cobalt, manganese, silicon, niobium, tungsten, and even copper. Popular Science, 15 Jan. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'niobium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of niobium

1845, in the meaning defined above

History and Etymology for niobium

New Latin, from Latin Niobe; from its occurrence in tantalite

Learn More About niobium

Time Traveler for niobium

Time Traveler

The first known use of niobium was in 1845

See more words from the same year

Dictionary Entries Near niobium

niobite

niobium

niobium pentoxide

See More Nearby Entries 

Statistics for niobium

Cite this Entry

“Niobium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/niobium. Accessed 3 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for niobium

niobium

noun
ni·​o·​bi·​um | \ nī-ˈō-bē-əm How to pronounce niobium (audio) \

Medical Definition of niobium

: a lustrous light gray ductile metallic element that resembles tantalum chemically and is used in alloys symbol Nb

called also columbium

— see Chemical Elements Table

More from Merriam-Webster on niobium

Britannica.com: Encyclopedia article about niobium

WORD OF THE DAY

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!