スネルの法ほう則そくMeanings1expression, nounSnell's lawphysicsPhysics term describing the relationship between angles of incidence and refraction when light passes between media.スネルの法ほう則そくは、光ひかりの屈くっ折せつを説せつ明めいする基き本ほん的てきな式しきです。Snell's law is a fundamental formula that explains the refraction of light.