D defs.my
Entry 1 sense Webster, 1913

Polariscope

/pōl-ĕr'-əs-kōpˌ/ · Po·lar·i·scope · IPA /poʊlˈɛrəskˌoʊp/
01 n. An instrument consisting essentially of a polarizer and an analyzer, used for polarizing light, and analyzing its properties.
  1. 1.
    An instrument consisting essentially of a polarizer and an analyzer, used for polarizing light, and analyzing its properties.(Opt.)