Synonyms for Refractive (same or very similar meaning)
WordNet sense 1 (of or relating to or capable of refraction):
refractile
WordNet sense 2 (capable of changing the direction (of a light or sound wave)):
deflective
WordNet sense 3 (having or marked by bends or angles; not straight or aligned):
crooked, crooked
From the ODE community, based on WordNet
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