Onyx Definition

ŏnĭks
noun
A variety of agate with alternate colored layers, used as a semiprecious stone, esp. in making cameos.
Webster's New World
A translucent, finely crystalline calcite, often banded, found in stalagmites.
Webster's New World
adjective
Wiktionary

Other Word Forms of Onyx

Noun

Singular:
onyx
Plural:
onyxes

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

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