Artificial intelligent assistant

refringent

refringent, a.
  (rɪˈfrɪndʒənt)
  [ad. pres. pple. of L. refringĕre to refract.]
  = refractive.

1778 Phil. Trans. LXVIII. 541 Considering.., that the changes of refringent power and of density are two co-effects of very different nature. 1863 Atkinson tr. Ganot's Physics vii. iii. §432 According as the refracted ray approaches, or deviates from the normal, the second medium is said to be more or less refringent or refracting than the first. 1898 P. Manson Trop. Diseases xxxvii. 587 The spores..are twice the size of tricophyton spores, and remarkably refringent.

Oxford English Dictionary

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