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

The Toi et Moi, or You and Me, brooch combines opal with double rose-cut tourmaline, aquamarine, chrysoberyl, sapphire, spinel, tsavorite, quartz and white diamond. —David Belcher, New York Times, 26 Feb. 2025

For accessories, Gaga opted for 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, according to the E! red carpet preshow. —Hedy Phillips, People.com, 3 Feb. 2025

The new pieces feature cabochon cut pink and green tourmalines, moonstones, 18K gold and diamonds. —Anthony Demarco, Forbes, 19 Feb. 2025

Each of the wand attachments is made of tourmaline ceramic to help heat the hair evenly and reduce heat damage. —Kiana Murden, Vogue, 14 Jan. 2025

Word History

Etymology

Sinhalese toramalli carnelian

First Known Use

1759, in the meaning defined above

Rhymes for tourmaline

• acrolein
• adenine
• alkylene
• aniline
• anthracene
• aquiline
• asphaltene
• atlantean
• atrazine
• butadiene
• butylene
• caesarean

Kids Definition

tourmaline

noun

tour·​ma·​line ˈtu̇r-mə-lən 

-ˌlēn

: a mineral of variable color that makes a striking gem when transparent and cut