geode

noun

ge·​ode ˈjē-ˌōd How to pronounce geode (audio)
1
: a nodule of stone having a cavity lined with crystals or mineral matter
2
: the cavity in a geode

Examples of geode in a Sentence

Recent Examples on the Web
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If the one on your list likes hands-on play, check out this Kinetic Sand playset, this massive pack of Play-Doh, and these National Geographic geodes. Clint Davis, People.com, 7 July 2025 Professionals guide geode hunts through areas that are normally off limits to the general public, making this a unique opportunity for rock hounds. Teaghan Skulszki, Outside Online, 4 July 2025 In June 2024, MacArthur posted a fun video with highlights of the summer that showed their son and daughter enjoying a fair, cracking a huge geode and jumping into a lake. Emy Lacroix, People.com, 19 Mar. 2025 The safety instructions said to break open the geodes using a clawhammer and tube sock. Anna Journey, The New Yorker, 20 Jan. 2025 See All Example Sentences for geode

Word History

Etymology

Latin geodes, a gem, from Greek geōdēs earthlike, from earth

First Known Use

circa 1732, in the meaning defined at sense 1

Time Traveler
The first known use of geode was circa 1732

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Cite this Entry

“Geode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geode. Accessed 20 Jul. 2025.

Kids Definition

geode

noun
ge·​ode ˈjē-ˌōd How to pronounce geode (audio)
: a stone having a cavity lined with crystals or mineral matter

More from Merriam-Webster on geode

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