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angle of deviation

noun, Optics.
the angle equal to the difference between the angle of incidence and the angle of refraction of a ray of light passing through the surface between one medium and another of different refractive index.
Also called deviation.
Origin of angle of deviation
1825-35 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for angle of deviation
  • Each of the fifteen measurements are weighted by the cosine of the angle of deviation.
  • Also called angle of deviation, angle of drift, and inclination.
British Dictionary definitions for angle of deviation

angle of deviation

the angle between the direction of the refracted ray and the direction of the incident ray when a ray of light passes from one medium to another
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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