the GNU version of the Collaborative International Dictionary of English
adj. Serving or having power to refract, or turn from a direct course; pertaining to refraction
The Century Dictionary and Cyclopedia
Of or pertaining to refraction; serving or having power to refract or turn from a direct course.
Capable of being refracted: as, the refractive violet rays.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of or relating to or capable of refraction
adj. capable of changing the direction (of a light or sound wave)
"A fundamental property called the refractive index governs the amount of light a material reflects, as well as other optical properties such as diffraction, refraction, and the speed of light inside the material."
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