onyx

noun

on·​yx ˈä-niks How to pronounce onyx (audio)
: a translucent chalcedony in parallel layers of different colors

Examples of onyx in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Some of her favorites to look out for include brass, marble, onyx, and alabaster, just to name a few. Sarah Lyon, Southern Living, 12 June 2026 Boucheron’s Serpent Bohème bracelet pairs black onyx with twisted gold and diamonds for a polished take on bohemia. Thomas Waller, Footwear News, 24 May 2026 Elsewhere in the collection, creamy pearls peep out between layers of polished, single-piece cast silver in bangles and earrings; while luminous spheres are paired with onyx cubes in an exploration of geometry and contrasting materiality. Kate Matthams, Forbes.com, 15 May 2026 Hazelnut travertine is found throughout the apartment—even on the skirting boards—as is Taj Mahal marble and glowing Iranian onyx. Fanny Guénon Des Mesnards, Architectural Digest, 12 May 2026 See All Example Sentences for onyx

Word History

Etymology

Middle English oniche, onyx, from Anglo-French & Latin; Anglo-French, from Latin onych-, onyx, from Greek, literally, claw, nail — more at nail

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of onyx was in the 14th century

Browse Nearby Words

Cite this Entry

“Onyx.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/onyx. Accessed 18 Jun. 2026.

Kids Definition

onyx

noun
on·​yx ˈän-iks How to pronounce onyx (audio)
: chalcedony in parallel layers of different color

More from Merriam-Webster on onyx

Love words? Need even more definitions?

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

More from Merriam-Webster