anaglyph

Concise Oxford English Dictionary © 2008 Oxford University Press:
anaglyph /ˈanəglɪf/

▶noun

• 1 a stereoscopic photograph having two images superimposed and printed in different colours, producing a stereo effect when viewed with appropriate filters over each eye.

• 2 an object, such as a cameo, embossed or carved in low relief.

– derivatives
anaglyphic adjective.

– origin C16: from Gk anagluphē, from ana- ‘up’ + gluphein ‘carve’.