stauroscope

/ (ˈstɔːrəˌskəʊp) /

noun

obsolete an optical instrument for studying the crystal structure of minerals under polarized light

Derived forms of stauroscope

stauroscopic (ˌstɔːrəˈskɒpɪk), adjective stauroscopically, adverb

Word Origin for stauroscope

C19: from Greek stauros a cross + -scope