niobium
noun
ni·o·bi·um
nī-ˈō-bē-əm 
: 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
Zoom out: Ukraine, according to its national Geological Survey, has largely untapped reserves of minerals like tantalum, beryllium and niobium.
—
Ben Berkowitz, Axios, 20 Feb. 2025
These materials include the rare earth metals graphite, niobium, platinum group metals, molybdenum, tantalum and titanium.
—Sam Meredith, CNBC, 17 Jan. 2025
Greenland has substantial reserves of metals like lithium, niobium, and zirconium, which are used for producing batteries, as well as rare earth elements that are considered vital for the green energy transition, but which China currently enjoys a near monopoly over.
—Joshua Keating, Vox, 7 Dec. 2018
So, the team at Johns Hopkins University Applied Physics Laboratory and NASA grew sapphire crystal tubes to suspend the wiring and made the wires from niobium.
—Eric Berger, Ars Technica, 19 Dec. 2024
See All Example Sentences for niobium
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Ben Berkowitz, Axios, 20 Feb. 2025
These materials include the rare earth metals graphite, niobium, platinum group metals, molybdenum, tantalum and titanium.
—Sam Meredith, CNBC, 17 Jan. 2025
Greenland has substantial reserves of metals like lithium, niobium, and zirconium, which are used for producing batteries, as well as rare earth elements that are considered vital for the green energy transition, but which China currently enjoys a near monopoly over.
—Joshua Keating, Vox, 7 Dec. 2018
So, the team at Johns Hopkins University Applied Physics Laboratory and NASA grew sapphire crystal tubes to suspend the wiring and made the wires from niobium.
—Eric Berger, Ars Technica, 19 Dec. 2024
See All Example Sentences for niobium
Cite this Entry
“Niobium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/niobium. Accessed 13 Mar. 2025.
Copy CitationKids Definition
niobium
noun
ni·o·bi·um
nī-ˈō-bē-əm
: a shiny gray metallic element used in alloys see element
Medical Definition
niobium
noun
ni·o·bi·um
nī-ˈō-bē-əm
: a lustrous light gray ductile metallic element that resembles tantalum chemically and is used in alloys
—symbol Nb
called also columbium
see Chemical Elements TableLove words? Need even more definitions?
Merriam-Webster unabridged
Share