Lexic.us

Definition of Onyx

1. Noun. A chalcedony with alternating black and white bands; used in making cameos.

Definition of Onyx

1. 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.

Definition of Onyx

1. Noun. (minerology) A banded variety of chalcedony, a cryptocrystalline form of quartz. ¹

2. Adjective. jet-black ¹

¹ Source: wiktionary.com

Definition of Onyx

1. a variety of quartz [n -ES]

Medical Definition of Onyx

1. Chalcedony in parallel layers of different shades of colour. It is used for making cameos, the figure being cut in one layer with the next as a ground. Onyx marble, a banded variety of marble or calcium carbonate resembling onyx. It is obtained from Mexico. Origin: L, fr. Gr. A claw, finger nail, a veined gem. See Nail, and cf. Onycha. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Onyx

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