Onyx meaning

ŏnĭks
Onyx is a semiprecious stone that forms in bands of different colors such as black and white.

A dark semiprecious stone that is used in cameos and rings is an example of onyx.

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A chalcedony that occurs in bands of different colors and is used as a gemstone, especially in cameos and intaglios.
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A variety of agate with alternate colored layers, used as a semiprecious stone, esp. in making cameos.
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A translucent, finely crystalline calcite, often banded, found in stalagmites.
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A type of chalcedony that occurs in straight and parallel bands of different colors, often black and white.
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A family of graphics supercomputers from SGI that use the MIPS R10000 CPU and range from single-processor workstations to rack-mounted systems with 128 CPUs. They use SGI's InfiniteReality graphics subsystem which processes geometry, imaging and video data in real time.
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(mineralogy) A banded variety of chalcedony, a cryptocrystalline form of quartz.
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Origin of onyx

  • Middle English onix from Old French from Latin onyx from Greek onux nail, onyx nogh- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Before 1300 as onix, in about 1250 as oneche, from Old French oniche or onix, or from Latin onyx, from Greek ὄνυξ (onyx).

    From Wiktionary