(used with a singular verb) glyptography(def 2).
Origin of glyptics
of or relating to carving or engraving on gems or the like.
the act or process of producing glyptic ornaments.
Origin of glyptic
1810–20; < Greek glyptikós of engraving, of stone carving, equivalent to gly-pt(ós) carved (verbid of glýphein to engrave, hollow out) + -ikos -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(functioning as singular) the art of engraving precious stones
of or relating to engraving or carving, esp on precious stones
Word Origin for glyptic
C19: from French glyptique, from Greek gluptikos, from gluptos, from gluphein to carve
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012