tourmaline

noun

tour·​ma·​line ˈtu̇r-mə-lən How to pronounce tourmaline (audio)
-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
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.
Embedded with crushed tourmaline, jade, obsidian, and amethyst, HealthyLine’s multitasking wellness device puts five types of tension-melting therapy at one’s fingertips. Jenny Berg, Vogue, 1 Oct. 2025 To amplify the glow, bamboo, charcoal, sea salt, pearl powder, and tourmaline work in harmony, leaving skin clarified, refreshed, and radiant without ever feeling stripped. Christa Joanna Lee, Allure, 30 Sep. 2025 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 See All Example Sentences for tourmaline

Word History

Etymology

Sinhalese toramalli carnelian

First Known Use

1759, in the meaning defined above

Time Traveler
The first known use of tourmaline was in 1759

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Cite this Entry

“Tourmaline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tourmaline. Accessed 12 Oct. 2025.

Kids Definition

tourmaline

noun
tour·​ma·​line ˈtu̇r-mə-lən How to pronounce tourmaline (audio)
-ˌlēn
: a mineral of variable color that makes a striking gem when transparent and cut

More from Merriam-Webster on tourmaline

Last Updated: - Updated example sentences
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