Definition of onyx Onyx
/ɑˈnɪks/ - [aniks] - on•yx
We found 7 definitions of onyx from 6 different sources.
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What does onyx mean?
WordNet
NounPlural: onyxes |
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| onyx - a chalcedony with alternating black and white bands; used in making cameos | ||
| calcedony, chalcedony a milky or greyish translucent to transparent quartz | ||
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Wiktionary 
- onyx (Noun)
A banded variety of chalcedony, a cryptocrystalline form of quartz. - onyx (Adjective)
jet-black.
Webster DictionaryWebster's Unabridged Dictionary 📘
- onyx (n.)
Chalcedony in parallel layers of different shades of color. It is used for making cameos, the figure being cut in one layer with the next as a ground.
Chambers DictionaryChamber's 20th Century Dictionary 📕
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onyx
on′iks, n. (min.) an agate formed of layers of chalcedony of different colours, used for making cameos.—ns. Onych′ia, suppurative inflammation near the finger-nail; Onychī′tis, inflammation of the soft parts about the nail; Onych′ium, a little claw; On′ychomancy, divination by means of the finger-nails; Onychonō′sos, disease of the nails.—adj. Onychopath′ic, affected with such.—n. Onychō′sis, disease of the nails. [L.,—Gr. onyx, onychos, a finger-nail.]
Wikipedia 
- An onyx is a type of rock mineral.
Part of speech
🔤- onyx, noun, singular of onyxes.
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