onyx

5 ENTRIES FOUND:

on·yx

noun \ˈä-niks\

: a kind of stone that has straight lines of usually white and black or white and brown and that is used especially in jewelry

Full Definition of ONYX

:  a translucent chalcedony in parallel layers of different colors

Origin of ONYX

Middle English oniche, onyx, from Anglo-French & Latin; Anglo-French, from Latin onych-, onyx, from Greek, literally, claw, nail — more at nail
First Known Use: 14th century

Rhymes with ONYX

onyx

noun    (Concise Encyclopedia)

Striped, semiprecious variety of the silica mineral agate with white and black alternating bands. Other varieties include carnelian onyx, with white and red bands, and sardonyx, with white and brown bands. Its properties are the same as those of quartz. Onyx is used in carved cameos and intaglios because its layers can be cut to show a colour contrast between the design and the background. It is found worldwide, but chiefly in India and South America.

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