onyx

noun

on·​yx ˈä-niks 

: a translucent chalcedony in parallel layers of different colors

Examples of onyx in a Sentence

Recent Examples on the Web

The differing inlay materials — such as mother of pearl, malachite and onyx — have been given different mystical meanings by social media users (helping with the wearer’s career, love life, friendships or finances, for example). — CNN Money, 8 July 2026

The lower levels, meanwhile, hold a movie theater displaying a wall dedicated to Heigl’s knitting hobby, plus a spa wing with a sauna and a multihead steam shower finished in honeycomb onyx. — Wendy Bowman, Robb Report, 2 July 2026

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

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

Rhymes for onyx

• conics
• phonics
• sonics
• tonics
• avionics
• electronics
• histrionics
• hydroponics
• nucleonics
• ultrasonics
• harmonics
• ionics

Kids Definition

onyx

noun

on·​yx ˈän-iks 

: chalcedony in parallel layers of different color