angle of reflection

WordReference Random House Unabridged Dictionary of American English © 2026

an′gle of reflec′tion, [Physics.]

1. 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. See diag. under angle of incidence. 

• 1630–40

Collins Concise English Dictionary © HarperCollins Publishers::

angle of reflection noun

1. the angle that a beam of reflected radiation makes with the normal to a surface at the point of reflection