ge·​ode | \ ˈjē-ˌōd How to pronounce geode (audio) \

Definition of geode

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 Thank you for this astute reading of the different strategies in geode. Daniel Drake, The New York Review of Books, 13 Nov. 2021 The giant geode’s hollow core was formed by large gas bubbles in the magma that poured out from fractures in the Earth’s crust about 135 million years ago. Edward Rothstein, WSJ, 1 Sep. 2021 Keep that red wine fresh with these cute, handmade geode stoppers. Kelly Allen, House Beautiful, 23 Mar. 2021 The science part comes in when a child holds a geode in his or her hand and starts wondering how it was formed. Outdoor Life, 23 Nov. 2020 Some geode kits contain a large assortment of geodes. Outdoor Life, 23 Nov. 2020 Inside her bag was a notebook, a day planner, a lot of heart stickers, a jumble of colored pens, one very bright flashlight, index cards, a small box of tea, and a geode. Jackie Frere, Redbook, 10 Apr. 2018 Dynasty Electrik’s tranquil crystal sound bath on Friday evenings is a sonic, restorative journey past amethyst, citrine geodes and crystal quartz clusters led by gem gallery owners Seth Misterka and Jenny Deveau. oregonlive, 26 Apr. 2020 The owner also noted that the amethyst geodes in the gift shop are not from Wisconsin, because Wisconsin doesn't have the variety of rocks that places in the world have, but the rock's origin is noted next to it. Chelsey Lewis, Milwaukee Journal Sentinel, 13 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'geode.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of geode

circa 1732, in the meaning defined at sense 1

History and Etymology for geode

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

Learn More About geode

Time Traveler for geode

Time Traveler

The first known use of geode was circa 1732

See more words from the same year

Dictionary Entries Near geode




See More Nearby Entries 

Statistics for geode

Last Updated

26 Nov 2021

Cite this Entry

“Geode.” Dictionary, Merriam-Webster, Accessed 20 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for geode


ge·​ode | \ ˈjē-ˌōd How to pronounce geode (audio) \

Kids Definition of geode

: a stone with a hollow space inside lined with crystals or mineral matter

More from Merriam-Webster on geode Encyclopedia article about geode


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!