<optics> Of or pertaining to the polariscope; obtained by the use of a polariscope; as, polariscopic observations. ... (28 Oct 1998) ... Found on http://www.encyclo.co.uk/local/20973
Po·lar`i·scop'ic adjective (Opt.) Of or pertaining to the polariscope; obtained by the use of a polariscope; as, polariscopic observations. Found on http://www.encyclo.co.uk/webster/P/117