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Huy'gens prin"ciple



Optics, Physics.
the principle that all points on a wave front of light are sources of secondary waves and that surfaces tangential to these waves define the position of the wave front at any point in time.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Huygens eyepieceHuysmans

 

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