- sardonyxes
- n. type of onyx having alternating orange-brown sard and white chalcedony arranged in straight aligned bands (was used very much in the past in making cameos)
English contemporary dictionary. 2014.
English contemporary dictionary. 2014.
Theory of Forms — Plato s Theory of Forms [The name of this aspect of Plato s thought is not modern and has not been extracted from certain dialogues by modern scholars. The term was used at least as early as Diogenes Laertius, who called it (Plato s) Theory of… … Wikipedia