onyx

noun on·yx \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

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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

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