onyx

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onyx¹

  • /ˈɒnɪks/

Rhymes with -ɒnɪks

Where it comes from

From Middle English onix (c. 1300), earlier oniche (c. 1250), from Old French oniche or onix, from Latin onyx, from Ancient Greek ὄνυξ (ónux, “onyx”). Doublet of unguis.

noun onyxes

  1. countable, uncountable A banded variety of chalcedony, a cryptocrystalline form of quartz. People talk about using marble in the bathrooms. Marble wasn't good enough for use—we have onyx!
  2. countable, uncountable A jet-black color, named after the gemstone. Near-synonyms: ebony, raven

    Similar: ebony, raven

  3. countable, uncountable Any of various lycaenid butterflies of the genus Horaga.

adjective

  1. not comparable Jet-black; often, glossily so. Near-synonyms: ebony, raven

    Similar: ebony, raven

Onyx²

proper noun

  1. A census-designated place in Kern County, California, United States.

Thesaurus

Closest in meaning: agate, gemstone, cameo, onyx marble, chalcedonyx, onycha, quartzine, onicolo, chalcedony, calcedony, sardonyx, jasponyx, chalcedonite, monoquartzite, opaline, chalcedonius

Translations

Every language

noun a banded variety of chalcedony

Españolónix, ónice, ónique
한국어오닉스 onikseu
日本語オニキス onikisu, オニックス onikkusu
中文縞瑪瑙 /缟玛瑙 gǎomǎnǎo, 紅璧璽 /红璧玺 hóngbìxǐ
हिन्दीसुलैमानी पत्थर sulaimānī patthar
Kiswahilisardoniki
Portuguêsónix
Françaisonyx
DeutschOnyx
Italianoonice
Românăonix
Русскийо́никс óniks
العربيةجَزْع jazʕ
עבריתשֹׁהַם shóham

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MLA

"onyx." Wiktionary, via Micwyn, micwyn.com/word/onyx. Accessed 6 Nov. 2026.

APA

onyx. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/onyx

Chicago

"onyx." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/onyx.

BibTeX
@misc{onyx_2026,
  title = {onyx},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/onyx},
  urldate = {2026-11-06}
}