The Collaborative International Dictionary
Diffractive \Dif*frac"tive\, a. That produces diffraction.
a. (context physics English) Having the ability to diffract light
Usage examples of "diffractive".
And the flat “edge” of the blade isn’t quite right—it shines with the luster of fine steel, but there’s also a faint rainbow sheen, a diffractive speckling at the edge of my gaze.
The balls are growing and thinning, unfolding like cauliflower heads that glow with a diffractive sheen.