retroreflector

listen to the pronunciation of retroreflector
Английский Язык - Английский Язык
A retroreflective device or surface
A device that reflects radiation (as light) so that the paths of the reflected rays are parallel to those of the incident rays
A retroreflector is a device that reflects a wave front back along a vector that is parallel to but opposite in direction from the angle of incidence. This is unlike a mirror, which does that only if the mirror is exactly perpendicular to the wave front
retroreflector
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