the art of engraving or carving precious stones. — lithoglyptic,adj.See also: Gemsthe art of engraving or carving precious stones. — lithoglyptic, adj.See also: EngravingThesaurus
Noun
1.lithoglyptics - the art of engraving on precious stonesglypticsglyptic art, glyptography - carvings or engravings (especially on precious stones)