Source : Webster's Revised Unabridged Dictionary (1913)

Stereoscopic \Ste`re*o*scop"ic\, Stereoscopical
\Ste`re*o*scop"ic*al\, a.
   Of or pertaining to the stereoscope; characteristic of, or
   adapted to, the stereoscope; as, a stereoscopic effect; the
   stereoscopic function of the eyeglasses; stereoscopic views.
   -- {Ste`re*o*scop"ic*al*ly}, adv.