Periscopic

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Periscopic \Per`i*scop"ic\, a. [Cf. F. p['e]riscopique.]
     Viewing all around, or on all sides.
     [1913 Webster]
  
     2. of or relating to a periscope[2].
        [1913 Webster]


  
     {Periscopic spectacles} (Opt.), spectacles having
        concavo-convex or convexo-concave lenses with a
        considerable curvature corresponding to that of the eye,
        to increase the distinctness of objects viewed obliquely.
        [1913 Webster]