Definitions for "Refractive"
Serving or having power to refract, or turn from a direct course; pertaining to refraction; as, refractive surfaces; refractive powers.
pertaining to refraction, the deflection of a ray of light when it passes from one median into another. The act of determining the nature and degree of refractive errors in the eye and correction of these errors by lenses or a pinhole.
Keywords:  bending, wave, capable, sound, light
The bending of a light or sound wave as it passes through a medium.
of or relating to or capable of refraction; "the refractive characteristics of the eye"
capable of changing the direction (of a light or sound wave)
Cancer that is unresponsive to treatment.