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Kerr effect

noun, Physics.
the double refraction of light in certain substances, produced by an electric field.
Origin of Kerr effect
1905-10; named after John Kerr (1824-1907), Scottish physicist Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for Kerr effect

Kerr effect

Also called electro-optical effect. the production of double refraction in certain transparent substances by the application of a strong electric field
Also called magneto-optical effect. a slight elliptical polarization of plane polarized light when reflected from one of the poles of a strong magnet
Word Origin
C19: named after John Kerr (1824–1907), Scottish physicist
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
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