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
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This necklace, which can also be worn as a tiara, dates back to the early nineteenth century and is composed of diamonds, rubies and spinels, mounted on a gold and silver structure.
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Marta Martínez Tato, Vanity Fair, 30 Jan. 2026
At front of the crown sits the aforementioned Cullinan II, above which sits a massive red spinel known as the Black Prince's Ruby.
—Emma Banks, InStyle, 7 Jan. 2026
Among those are larger emeralds, sapphires, rubies and spinels weighing 54.60 carats.
—Michelle Lee, PEOPLE, 6 Jan. 2026
The LiF@spinel approach combines a spinel buffer for rapid ion movement with a LiF outer layer that blocks corrosive attack, the researchers said.
—Neetika Walter, Interesting Engineering, 30 Aug. 2025
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Marta Martínez Tato, Vanity Fair, 30 Jan. 2026
At front of the crown sits the aforementioned Cullinan II, above which sits a massive red spinel known as the Black Prince's Ruby.
—Emma Banks, InStyle, 7 Jan. 2026
Among those are larger emeralds, sapphires, rubies and spinels weighing 54.60 carats.
—Michelle Lee, PEOPLE, 6 Jan. 2026
The LiF@spinel approach combines a spinel buffer for rapid ion movement with a LiF outer layer that blocks corrosive attack, the researchers said.
—Neetika Walter, Interesting Engineering, 30 Aug. 2025
See All Example Sentences for spinel
Cite this Entry
“Spinel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spinel. Accessed 14 Feb. 2026.
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