polarimeter

[ poh-luh-rim-i-ter ]
/ ˌpoʊ ləˈrɪm ɪ tər /

noun Optics.

an instrument for measuring the amount of light received from a given source as a function of its state of polarization.
a form of polariscope for measuring the angular rotation of the plane of polarization.

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Origin of polarimeter

1860–65; <Medieval Latin polāri(s) polar + -meter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for polarimeter

British Dictionary definitions for polarimeter

polarimeter
/ (ˌpəʊləˈrɪmɪtə) /

noun

an instrument for measuring the amount of polarization of light
an instrument for measuring the rotation of the plane of polarization of light as a result of its passage through a liquid or solutionSee optical activity

Derived forms of polarimeter

polarimetric (ˌpəʊlərɪˈmɛtrɪk), adjectivepolarimetry, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012