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
Recent Examples on the Web
Barrel and bristle materials Most hot-air brush barrels are made of chrome, ceramic or tourmaline.
—
Bestreviews, Mercury News, 25 Sep. 2025
Ghiya uses stones like pink and purple sapphire, onyx, citrine, and tourmaline to create wearable confections.
—Gayatri Shah, Travel + Leisure, 16 Sep. 2025
The twist, however, is that it’s infused with tourmaline, a naturally energizing crystal said to boost circulation and revive radiance, plus laminaria saccharina extract, a kelp that helps absorb excess oil, so skin feels fresh and balanced.
—Christa Joanna Lee, Allure, 12 Sep. 2025
Her gold jewelry, all from the brand Material Good, included a choker necklace with eight pear-cut stones (seven white diamonds and one imperial topaz), a tourmaline necklace with eight small diamonds and a pair of drop earrings, each with eight diamonds.
—Mary Whitfill Roeloffs, Forbes.com, 27 Aug. 2025
See All Example Sentences for tourmaline
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.
Bestreviews, Mercury News, 25 Sep. 2025
Ghiya uses stones like pink and purple sapphire, onyx, citrine, and tourmaline to create wearable confections.
—Gayatri Shah, Travel + Leisure, 16 Sep. 2025
The twist, however, is that it’s infused with tourmaline, a naturally energizing crystal said to boost circulation and revive radiance, plus laminaria saccharina extract, a kelp that helps absorb excess oil, so skin feels fresh and balanced.
—Christa Joanna Lee, Allure, 12 Sep. 2025
Her gold jewelry, all from the brand Material Good, included a choker necklace with eight pear-cut stones (seven white diamonds and one imperial topaz), a tourmaline necklace with eight small diamonds and a pair of drop earrings, each with eight diamonds.
—Mary Whitfill Roeloffs, Forbes.com, 27 Aug. 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 1 Oct. 2025.
Copy CitationKids Definition
tourmaline
noun
tour·ma·line
ˈtu̇r-mə-lən
-ˌlēn
: a mineral of variable color that makes a striking gem when transparent and cut
Love words? Need even more definitions?
Merriam-Webster unabridged
Share