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

Inside, everything from the textures down to the finishes are curated nods to the original property, including a fireplace made of onyx and custom embroidered window drapery featuring a special archival pattern. —Abby Montanez, Robb Report, 10 Dec. 2024

Each mouse pad is ergonomically designed for unparalleled comfort and crafted from full-grain leather in five colors: cognac, black onyx, cocoa, brown, and navy blue. —Maria Conti, Better Homes & Gardens, 3 Dec. 2024

The Phillips sale includes a Jean Schlumberger tortoiseshell, coral, and diamond clip-brooch ($12,000 - $15,000); a Cartier onyx, diamond and seed pearl etrier (rope) brooch ($20,000 - 40,000); and a Bulgari diamond and wood Serpenti necklace ($50,000 - 80,000). —Carol Besler, Forbes, 23 Nov. 2024

There are two large primary suites, both with marble fireplaces, a sitting area, and apartment-sized designer closets with onyx islands and custom sculptural chandeliers. —Emma Reynolds, Robb Report, 2 Dec. 2024

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

Kids Definition

onyx

noun

on·​yx ˈän-iks 

: chalcedony in parallel layers of different color