n :  a pair of stereoscopic pictures or a picture composed of two superposed stereoscopic images that gives a three-dimensional effect when viewed with a stereoscope or special glasses .
 
 
 
Similar sounding terms:  hys·ter·o·graph  hys·ter·og·ra·phy 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2004.