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 palatial spread has five bedrooms and eight baths in roughly 12,000 square feet across three levels boasting Italian white oak floors, Shinoki wood cabinetry, and marble, travertine, and onyx imported from Italy, plus an array of smart-home capabilities. —Wendy Bowman, Robb Report, 5 Dec. 2025

Matching earrings in onyx, carnelian, or ivory complete the set. —Talia Abbas, Vogue, 2 Dec. 2025

Styled by Rob Zangardi and Mariel Haenn, Washington wore a strapless dress from Murad’s fall 2025 couture collection, designed with a sweetheart neckline and ruched fabric in a shade of onyx with a thigh-high slit and shimmering embellishments running down the front of the gown’s bodice. —Julia Teti, Footwear News, 18 Nov. 2025

Belly up to the Turkish silver onyx bar, slide into a Yves Klein blue chair and pick from the five martinis on the menu, which range from the Grey Goose and Botanist Gin Skyfall to the Parmesan Espresso Martini. —Melinda Sheckells, HollywoodReporter, 11 Nov. 2025

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