from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The art or process of engraving on gypsum.
from the GNU version of the Collaborative International Dictionary of English
- n. The act or art of engraving on gypsum.
from The Century Dictionary and Cyclopedia
- n. The art or practice of engraving, as inscriptions, upon natural gypsum in some one of its forms, as alabaster.
- n. The art or practice of engraving on casts of plaster of Paris.
gypsum + -graphy (Wiktionary)