refract

Meaning

  1. (transitive) Of a medium, substance, object, etc.: to deflect the course of (light rays), esp. when they enter the medium, etc., at an oblique angle; to cause refraction of (light, other electromagnetic radiation, or sound or other wave phenomena).
  2. (figuratively, transitive) To mediate; to alter; to distort.
  3. (transitive) To cause (light) to change direction as a result of entering a different medium.
  4. (transitive) To measure, and often also to correct with lenses, the refractive error of (an eye) or the eyes of (a person).

Etymology

From Latin refrāctum, neuter form of refrāctus, the past participle of refringō, itself from re- (“again”) + frangō (“I break”).

Notes

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