: a translucent chalcedony in parallel layers of different colors
Examples of onyx in a Sentence
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Her nails, too, were on-theme, filed into a square shape and painted with a true, glossy onyx black shade.—Kara Nesvig, Allure, 9 Feb. 2026 Her gown was the work of Charles Harbison, and those onyx earrings came from Maison Mèrenor, according to the outlet.—Anna Kaufman, USA Today, 9 Feb. 2026 With the gown and accompanying voluminous shawl, the As Ever founder wore vintage onyx and diamond earrings estimated to be worth between $16,400 and $27,350.—Rachel Burchfield, InStyle, 9 Feb. 2026 Designed in 18-karat yellow gold with mother-of-pearl and onyx, the brooch is among several Van Cleef & Arpels pieces Queen Camilla has in her personal collection.—Julia Teti, Footwear News, 4 Feb. 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