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
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In terms of precious stones, Cancers do have their options, as there are quite a few connected to the sign, like moonstone, pearl, and carnelian. Daisy Maldonado, InStyle, 20 June 2026 Pearl, alexandrite, and moonstone reflect purity, intuition, and transformation. Olivia McIntosh, Martha Stewart, 26 Apr. 2026 In crescents on the breakfast tray, The pale pale color of peach moonstone. Patricia Lockwood, The New York Review of Books, 5 Mar. 2026 This enchanting illumination looks like moonlight illuminating water, which explains how and why moonstone got its name. Kyle Roderick, Forbes.com, 13 Feb. 2026 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 2 Jul. 2026.

Kids Definition

moonstone

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

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