The Collaborative International Dictionary
Refringent
Refringent \Re*frin"gent\ (-jent), a. [L. refringens, p. pr. of
refringere. See Refract.]
Pertaining to, or possessing, refringency; refractive;
refracting; as, a refringent prism of spar.
--Nichol.
Wiktionary
refringent
a. That refracts; refractive