SNELL'S LAW


Meaning of SNELL'S LAW in English

n. Physics the law that the ratio of the sines of the angles of incidence and refraction of a wave are constant when it passes between two given media.

[ W. Snell, Du. mathematician d. 1626 ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.