polarimeter
/ˌpoʊləˈrɪmɪtər/
noun
- An instrument used to measure the rotation of polarized light as it passes through a substance, often used in chemistry and sugar analysis.
- In the lab, the polarimeter helped determine the optical activity of the sample.
- The chemist used a polarimeter to measure the sugar concentration in the syrup.
- The polarimeter showed that the solution rotated light to the right.