refrangible
That may be refracted.
dated
Mr. [Isaac] Nevvton has demonſtrated from plain and convincing Experiments, that the Light of the Sun conſiſts of Rays differently refrangible and reflexible, and that thoſe Rays are differently reflexible, that are differently refrangible.
Where it comes from
From Latin refrangibilis, from refrangō, refringō (“refract”).
Adapted from the Wiktionary entry refrangible (CC BY-SA 4.0).