Definition from Wiktionary, the free dictionary
From Ancient Greek ἀναγλυφή (anaglyphē, “work in low relief ”); from ana- up + glyphein carve out
anaglyph (plural anaglyphs)
- A decorative ornament worked in low relief or bas relief, such as a piece of cameo jewelry.
- A matched pair of images designed to produce a three-dimensional effect when viewed using spectacles that have usually one red and one bluish-green lens, corresponding to the colors of the pairs of images.