stereoscopy
noun
ste·re·os·co·py ˌster-ē-ˈä-skə-pē 
ˌstir-;
ˈster-ē-ə-ˌskō-pē,
ˈstir-
1
: a science that deals with stereoscopic effects and methods
2
: the seeing of objects in three dimensions
Example Sentences
Recent Examples on the Web Major consumer electronics companies such as Samsung, LG and Panasonic have started selling 3-D TVs that are fundamentally based on the principle of stereoscopy. 
Priya Ganapati, WIRED, 25 Mar. 2010
Priya Ganapati, WIRED, 25 Mar. 2010 Word History
Etymology
International Scientific Vocabulary
First Known Use
circa 1859, in the meaning defined at sense 1
Medical Definition
stereoscopy
noun
ste·re·os·co·py ˌster-ē-ˈäs-kə-pē, ˌstir-; ˈster-ē-ə-ˌskō-pē, ˈstir-
plural stereoscopies
1
: a science that deals with stereoscopic effects and methods
2
: the seeing of objects in three dimensions