spinel

noun

spi·​nel spə-ˈnel How to pronounce spinel (audio)
variants or spinelle
1
: a hard crystalline mineral consisting of an oxide of magnesium and aluminum that varies from colorless to ruby red to black and is used as a gem
2
: any of a group of minerals that are essentially oxides of magnesium, ferrous iron, zinc, or manganese

Examples of spinel 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.
The highlight of the Bouquet des Roses necklace is a 13.57-carat oval-cut pink sapphire from Madagascar, framed by white and yellow diamonds, pink sapphires, spinels and doublet fiery opals. Nazanin Lankarani, New York Times, 20 May 2025 Priyanka Chopra had traded her whopping emerald for a more petite (read: still quite sizable) diamond and pink spinel, garnet, and sapphire Serpenti necklace with matching bracelet. Daisy Shaw-Ellis, Vogue, 20 May 2025 The first-generation Chevrolet Volt used cells with manganese spinel cathodes, said Sam Abuelsamid, vice president of market research at Telemetry Insights. Jamie L. Lareau, USA Today, 30 Apr. 2025 So none of the sapphires, garnets and spinels frequently seen in his gem portfolio are treated; heating and irradiation are just two of the treatments that the jewelry industry often uses to improve the color or durability of a gem. Tanya Dukes, New York Times, 26 Feb. 2025 See All Example Sentences for spinel

Word History

Etymology

Italian spinella, diminutive of spina thorn, from Latin

First Known Use

1528, in the meaning defined at sense 1

Time Traveler
The first known use of spinel was in 1528

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Cite this Entry

“Spinel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spinel. Accessed 3 Jun. 2025.

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