Found 2 items, similar to Onyx.
English → English (WordNet)
Definition: onyx
onyx
n : a chalcedony with alternating black and white bands; used in
making cameos
English → English (gcide)
Definition: Onyx
Onyx
\O"nyx\, n. [L., fr. Gr. ? a claw, finger nail, a veined
gem. See
Nail, and cf.
Onycha.]
1. (Min.) 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.
[1913 Webster]
2. Same as
Mexican onyx.
[PJC]
3. A deep jet-black color.
[PJC]
Onyx marble,
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.
[1913 Webster +PJC]