the description or study of engraved gems or other stones.
Also called glyptics. the art or process of engraving on gems or the like.
Origin of glyptography
1790–1800; < Greek glyptó(s) carved + -graphy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the art of carving or engraving upon gemstones
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