The Collaborative International Dictionary
Diaglyphic
Diaglyphic \Di`a*glyph"ic\, Diaglyphtic \Di`a*glyph"tic\, a. Represented or formed by depressions in the general surface; as, diaglyphic sculpture or engraving; -- opposed to anaglyphic.
Wiktionary
diaglyphic
a. Represented or formed by depressions in the surface.