polarimeter
/ˌpəʊləˈrɪmɪtə(r)/noun
- an instrument for measuring the polarization of light, and especially (in chemical analysis) for determining the effect of a substance in rotating the plane of polarization of light旋光计, 偏光计; 偏振计。
派生词
polarimetric
adjectivepolarimetry
noun词源
mid 19th cent.: from medieval Latin polaris 'polar' + -METER.