onyx.
A banded variety of chalcedony, a cryptocrystalline form of quartz.
Meaning & usage
A banded variety of chalcedony, a cryptocrystalline form of quartz.
A jet-black color, named after the gemstone.
Any of various lycaenid butterflies of the genus Horaga.
Where this word 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.
Jet-black; often, glossily so.
Where this word 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.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.