refractive

Capable of being refracted: as, the refractive violet rays.

Of or pertaining to refraction; serving or having power to refract or turn from a direct course.

Serving or having power to refract, or turn from a direct course; pertaining to refraction

See Index of refraction, under Index.

the index of refraction of a substances when the ray passes into it from a vacuum.

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.

Describing that which refracts.

of or relating to or capable of refraction

capable of changing the direction (of a light or sound wave)