Onyx
Onyx , noun
[Latin, from Greek {not transcribed} a claw, finger nail, a veined gem. See Nail, and compare Onycha.]
1.
(Mineralogy) 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.
2.
Same as Mexican onyx.
3.
A deep jet-black color.
Collocations (1)
Onyx marble or Mexican onyx , a banded variety of marble or calcium carbonate resembling onyx. It is obtained from Mexico in various colors ranging from white to deep black.
onyx , adjective
Deep, jet-black.