tantalum
noun
tan·ta·lum
ˈtan-tə-ləm 
: a gray-white ductile acid-resisting metallic element found combined in rare minerals (such as tantalite and columbite) and used especially in electronic components see Chemical Elements Table
Examples of tantalum in a Sentence
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That’s because the Greek myth has lent its name to tantalum, a rare earth element crucial to the manufacture of phones and much more.
—
Daniel Seifert, JSTOR Daily, 5 Feb. 2025
Those different groups have competed to benefit from the trade of minerals essential to the global electronics supply chain that include coltan, tantalum, gold, copper and — perhaps most significantly — cobalt.
—Mithil Aggarwal, NBC News, 2 Feb. 2025
These materials include the rare earth metals graphite, niobium, platinum group metals, molybdenum, tantalum and titanium.
—Sam Meredith, CNBC, 17 Jan. 2025
Central Asia is rich in coveted minerals including uranium, lithium, and tantalum, and holds some of the largest gas reserves in the world.
—Tim Ryan, Newsweek, 18 Dec. 2024
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Daniel Seifert, JSTOR Daily, 5 Feb. 2025
Those different groups have competed to benefit from the trade of minerals essential to the global electronics supply chain that include coltan, tantalum, gold, copper and — perhaps most significantly — cobalt.
—Mithil Aggarwal, NBC News, 2 Feb. 2025
These materials include the rare earth metals graphite, niobium, platinum group metals, molybdenum, tantalum and titanium.
—Sam Meredith, CNBC, 17 Jan. 2025
Central Asia is rich in coveted minerals including uranium, lithium, and tantalum, and holds some of the largest gas reserves in the world.
—Tim Ryan, Newsweek, 18 Dec. 2024
See all Example Sentences for tantalum
Dictionary Entries Near tantalum
Cite this Entry
“Tantalum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tantalum. Accessed 11 Feb. 2025.
Copy CitationKids Definition
tantalum
noun
tan·ta·lum
ˈtant-ᵊl-əm
: a gray-white metallic element found in rare minerals and used especially in electronic devices see element
Medical Definition
tantalum
noun
tan·ta·lum
ˈtant-ᵊl-əm
: a hard ductile gray-white acid-resisting metallic element of the vanadium family found combined in rare minerals and sometimes used in surgical implants and sutures
—symbol Ta
see Chemical Elements Table
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