tourmaline
noun
tour·ma·line
ˈtu̇r-mə-lən 
-ˌlēn
: a mineral of variable color that consists of a complex borosilicate and is valued as a gem when transparent and cut
Examples of tourmaline in a Sentence
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Colored gems dominated the top lots led by two paraiba tourmalines of Mozambique origin, two Burmese sapphires and an emerald.
—
Anthony Demarco, Forbes.com, 13 May 2025
Staying cool Cooling-free infrared detectors have been around since before World War II and mostly relied on pyroelectric materials like tourmaline that change their temperature upon absorbing infrared radiation.
—ArsTechnica, 1 May 2025
Crafted in platinum-iridium and embellished with white diamonds, the piece dates to the 1910s and was paired with platinum and diamond earrings, bracelet and ring, as well as a diamond and platinum ring that highlighted a pink tourmaline.
—Laurie Brookins, The Hollywood Reporter, 7 Mar. 2025
To finish the look, the singer wore a gold pendant necklace with tourmaline, pearl and onyx by Tiffany & Co. from the archives that had never been worn on a red carpet before, as well as earrings and a ring from the brand.
—Raven Brunner, People.com, 18 Mar. 2025
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Anthony Demarco, Forbes.com, 13 May 2025
Staying cool Cooling-free infrared detectors have been around since before World War II and mostly relied on pyroelectric materials like tourmaline that change their temperature upon absorbing infrared radiation.
—ArsTechnica, 1 May 2025
Crafted in platinum-iridium and embellished with white diamonds, the piece dates to the 1910s and was paired with platinum and diamond earrings, bracelet and ring, as well as a diamond and platinum ring that highlighted a pink tourmaline.
—Laurie Brookins, The Hollywood Reporter, 7 Mar. 2025
To finish the look, the singer wore a gold pendant necklace with tourmaline, pearl and onyx by Tiffany & Co. from the archives that had never been worn on a red carpet before, as well as earrings and a ring from the brand.
—Raven Brunner, People.com, 18 Mar. 2025
See All Example Sentences for tourmaline
Cite this Entry
“Tourmaline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tourmaline. Accessed 5 Jun. 2025.
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tourmaline
noun
tour·ma·line
ˈtu̇r-mə-lən
-ˌlēn
: a mineral of variable color that makes a striking gem when transparent and cut
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