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, 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, 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, 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

Cite this Entry

“Chalcedony.” Dictionary, Merriam-Webster, Accessed 14 Jun. 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


Test Your Vocabulary

Name that Thing: Dog Breeds

True or False

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


Anagram puzzles meet word search.

Love words? Need even more definitions?

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