an ornament sculptured or embossed in low relief, as a cameo.
2.
Optics. a composite picture printed in two colors that produces a three-dimensional image when viewed through spectacles having lenses of corresponding colors.
A moving or still picture consisting of two slightly different perspectives of the same subject in contrasting colors that are superimposed on each other, producing a three-dimensional effect when viewed through two correspondingly colored filters.
[From Late Latin anaglyphus, carved in low relief, from Greek anagluphos : ana-, ana- + gluphein, to carve; see gleubh- in Indo-European roots.] an'a·glyph'ic, an'a·glyp'tic (-glĭp'tĭk) adj.