Refractive

a.

1.

Serving or having power to refract, or turn from a direct course; pertaining to refraction; as, refractive surfaces; refractive powers. Refractive index (Opt.) See Index of refraction, under Index. Absolute refractive index (Opt.) the index of refraction of a substances when the ray passes into it from a vacuum. Relative refractive index (Opt.) the ratio of the sine of the angle of incidence to the sine of the angle of refraction for a ray passing out of one of the media into the other.

Adj.	1.	refractive - of or relating to or capable of refraction; "the refractive characteristics of the eye" Synonyms: refractile
	2.	refractive - capable of changing the direction (of a light or sound wave) Synonyms: deflective

crooked, deflective

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