moonstone

noun

moon·​stone ˈmün-ˌstōn How to pronounce moonstone (audio)
: a transparent or translucent feldspar of pearly or opaline luster used as a gem

Examples of moonstone 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.
There is also a cabochon moonstone dated 1913 on the exterior. Rachel Cormack, Robb Report, 3 Oct. 2025 Alternate names for opalite include argenon, sea opal and opal moonstone. Natalie Neysa Alund, USA Today, 3 Oct. 2025 As for accessories, Johansson made her totem necklace — with aquamarine, brown moonstone and orange moonstone — by David Webb the statement jewelry piece of her look. Julia Teti, Footwear News, 25 Sep. 2025 For starters, there’s only one Amanda Seyfried, whose moonstone eyes were made to convey religious bliss. David Ehrlich, IndieWire, 1 Sep. 2025 See All Example Sentences for moonstone

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of moonstone was in the 15th century

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Cite this Entry

“Moonstone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moonstone. Accessed 10 Oct. 2025.

Kids Definition

moonstone

noun
moon·​stone -ˌstōn How to pronounce moonstone (audio)
: a partly transparent shiny stone used as a gem

More from Merriam-Webster on moonstone

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