How to Use tantalum in a Sentence

tantalum

noun
  • The top electrodes of the bits are made from tantalum and gold (middle).
    — Pedram Khalili, IEEE Spectrum, 26 June 2015
  • The case is made of tantalum, with a platinum bezel, caseback, lugs, crown and buckle.
    — Carol Besler, Forbes, 26 Mar. 2025
  • More than 15% of the world’s supply of tantalum comes from Rubaya’s mines.
    — Justin Kabumba, Los Angeles Times, 31 Jan. 2026
  • More than 15% of the world’s supply of tantalum comes from Rubaya’s mines.
    — ABC News, 4 Mar. 2026
  • Over 15% of the world’s supply of tantalum comes from Rubaya’s mines.
    — ABC News, 4 Mar. 2026
  • Sealing the spacecraft’s vault—its nerve center—is a plate forged from tantalum metal.
    — Nadia Drake, Scientific American, 14 Oct. 2024
  • Save for the dial’s starburst finish, tantalum is the one doing the talking here.
    — Lily Templeton, Footwear News, 1 May 2026
  • The blue really pops next to the tantalum case—a first for Moser—because of its dark, bluish-gray color.
    — Carol Besler, Robb Report, 22 Feb. 2023
  • But the better one was a 20-piece limited edition in a tantalum case.
    — Victoria Gomelsky, Robb Report, 30 Apr. 2026
  • Water is also a byproduct of star death, but comparing it to something like tantalum might seem odd.
    — Robin George Andrews, Smithsonian Magazine, 30 May 2025
  • Moving oxygen ions out of the tantalum oxide leaves a small spot of tantalum metal.
    — David Szondy, New Atlas, 17 Dec. 2024
  • But what about the mines that produced the tantalum or palladium in your transistors?
    — WIRED, 24 Mar. 2023
  • To address this issue, the team added tantalum oxide to the material.
    — Prabhat Ranjan Mishra, Interesting Engineering, 12 Dec. 2025
  • The team tested the method using gold, tantalum, and natural hafnium samples.
    — Georgina Jedikovska, Interesting Engineering, 28 May 2026
  • While gold and tantalum served as simpler baseline materials, hafnium posed a far greater challenge.
    — Georgina Jedikovska, Interesting Engineering, 28 May 2026
  • In the final device, the boron nitride is used to coat the tantalum sulfide to prevent oxidation.
    — Dexter Johnson, IEEE Spectrum, 7 July 2016
  • The movement is coated with black and tantalum grey treatments, highlighting its cutting-edge design.
    — Cait Bazemore, Robb Report, 31 Jan. 2024
  • It’s made of tantalum, a material not unfamiliar to the brand.
    — Carol Besler, Robb Report, 5 Mar. 2025
  • 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
  • The mines produce coltan — short for columbite-tantalite — an ore from which the metals tantalum and niobium are extracted.
    — David Yusufu Kibingila, Los Angeles Times, 23 May 2025
  • Landers and his team added nanoparticles of the element tantalum to allow for X-ray tracing.
    — Andrew Paul, Popular Science, 13 Nov. 2025
  • The plate is made of tantalum metal and doubles as a protective lid to shield the spacecraft’s delicate electronics.
    — Shi En Kim, Smithsonian Magazine, 14 Mar. 2024
  • Today, billions of dollars in gold, tin, and tantalum are smuggled out to Congo’s neighbors every year.
    — Jason K. Stearns, TIME, 19 Mar. 2025
  • There is also active mining in the region for diamonds and coltan, a metallic ore that yields the rare-earth element tantalum used in cellphones.
    — Kejal Vyas |, WSJ, 20 Nov. 2018
  • Burundi holds reserves of gold, tantalum, tin, and rare earths, but exporting them efficiently has been a challenge.
    — Yinka Adegoke, semafor.com, 22 Aug. 2025
  • Previous studies managed to reach this mixed state in tantalum disulfide by using ultrashort laser or voltage pulses.
    — Meghie Rodrigues, IEEE Spectrum, 23 July 2025
  • The demand for rare-earth minerals such as cobalt, coltan, lithium, and tantalum is driving efforts to source and secure these resources wherever they can be found.
    — Michael Albertus, Foreign Affairs, 4 Mar. 2025
  • Once smelted, gold, tin, tantalum, and tungsten from the area enter global supply chains, feeding demand for electronics, jewellery, and car parts.
    — Alexis Akwagyiram, semafor.com, 1 June 2026
  • Now Santos and co have done it for copper, tungsten and tantalum and further advances look eminently possible.
    — The Physics Arxiv Blog, Discover Magazine, 24 May 2024
  • In one device, the silicon dioxide layer was 43 nanometers (nm) thick and the tantalum oxide layer was 41 nm thick.
    — Xiaozhi Lim, IEEE Spectrum, 28 Oct. 2019

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'tantalum.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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