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angle of reflection

noun, Physics.
the angle that a ray of light or the like, reflected from a surface, makes with a normal to the surface at the point of reflection.
Origin of angle of reflection
1630-40 Unabridged
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British Dictionary definitions for angle of reflection

angle of reflection

the angle that a beam of reflected radiation makes with the normal to a surface at the point of reflection
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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angle of reflection in Science
angle of reflection  
The angle formed by a ray or wave reflected from a surface and a line perpendicular to the surface at the point of reflection.
The American Heritage® Science Dictionary
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