chal·​ce·​do·​ny | \ kal-ˈse-də-nē How to pronounce chalcedony (audio) , chal-; ˈkal-sə-ˌdō-nē How to pronounce chalcedony (audio) , ˈchal-, -ˌdä- \
plural chalcedonies

Definition of chalcedony

: a translucent variety of quartz of various colors and waxy luster

Keep scrolling for more

Other Words from chalcedony

chalcedonic \ ˌkal-​sə-​ˈdä-​nik How to pronounce chalcedony (audio) \ adjective

Examples of chalcedony in a Sentence

Recent Examples on the Web For instance, Ashley Poust, a postdoctoral researcher in vertebrate paleontology at the San Diego Natural History Museum, is intrigued by the origins of the chalcedony. Erin Fennessy, Popular Science, "Were rocks on the menu for these ancient birds?," 23 Feb. 2021 The Rose collection features rings in white chalcedony, diamonds, and sapphires ($29,000) and necklaces in pink opal and amethyst (price on request), as well as watches and bracelets. Stellene Volandes, Town & Country, "Ring Around the Roses," 4 Jan. 2013 On this chalcedony intaglio from Greece, circa the 2nd or 3rd century BC, a nymph ties up her hair in a ribbon. Vogue, "Dior, De Beers, and Repossi, Oh My! A Virtual Tour Through the Fall 2017 High Jewelry Collections," 7 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chalcedony.' 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 chalcedony

13th century, in the meaning defined above

History and Etymology for chalcedony

Middle English calcedonie, a precious stone, from Anglo-French, from Late Latin chalcedonius, from Greek Chalkēdōn Chalcedon

Keep scrolling for more

Learn More about chalcedony

Time Traveler for chalcedony

Time Traveler

The first known use of chalcedony was in the 13th century

See more words from the same century

Statistics for chalcedony

Last Updated

9 Mar 2021

Cite this Entry

“Chalcedony.” Dictionary, Merriam-Webster, Accessed 11 Apr. 2021.

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

More from Merriam-Webster on chalcedony Encyclopedia article about chalcedony

Comments on chalcedony

What made you want to look up chalcedony? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

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

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

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