Quick Definition
sardonyx
Strong's Definition
hence the "onyx" stone); a "sardonyx", i.e. the gem so called
Derivation: from the base of G4556 (σάρδιος) and (the nail of a finger;
KJV Usage: sardonyx
Thayer's Greek Lexicon
σαρδιονυξ, equivalent to σαρδόνυξ (which see): Rev_21:20 Lachmann
STRONGS NT 4557: σαρδόνυξσαρδόνυξ (Lachmann σαρδιονυξ), σαρδονυχος, ὁ, (σάρδιον and ὄνυξ), sardonyx, a precious stone marked by the red colors of the carnelian (sard) and the white of the onyx (B. D. under the word; Riehm, HWB, under the word Edelsteine 12): Rev_21:20. (Josephus, Plutarch, Ptolemy, others; (Gen_2:12 Aq. (Montf.)).)
Mounce Concise Greek Dictionary
σαρδόνυξ sardonyx 1x
sardonyx, a gem exhibiting the color of the carnelian and the white of the calcedony, intermingled in alternate layers, Rev_21:20
Abbott-Smith Greek Lexicon
* σαρδόνυξ
( L , σαρδιόνυξ ), -υχος , ὁ
( < σάρδιον , ὄνυξ ),
sardonyx , a stone marked by the red of the sard and the white of the onyx: Rev_21:20 .†
Moulton & Milligan — Vocabulary of the Greek NT
σαρδόνυξ [page 569]
sardonyx, a variety of onyx ( Rev_21:20 ) : cf. Pliny H.N . xxxvii. 23 : Sardonyches olim ut ex ipso nomine apparet intellegebantur candore in sarda, hoc est, velut came ungui hominis imposita, et utroque translucido.
Liddell-Scott — Intermediate Greek Lexicon
σαρδόνυξ σαρδ-όνυξ, υχος, [Etym: σάρδιον] "the sardonyx", Anth.
STEPBible — Tyndale Abridged Greek Lexicon
σαρδόνυξ (L, σαρδιόνυξ), -υχος, ὁ
(σάρδιον, ὄνυξ),
sardonyx, a stone marked by the red of the sard and the white of the onyx: Rev.21:20.†
(AS)