refract

English dictionary entry

Meanings

verb

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).
To mediate; to alter; to distort.
To cause (light) to change direction as a result of entering a different medium.
To measure, and often also to correct with lenses, the refractive error of (an eye) or the eyes of (a person).

LL-Q1860 (eng)-Vealhurl-refract.wav

refract refracts refracting refracted

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

refraction refractive refractory refrangible refringent reflect

nonrefracting refractable refracting refracting telescope refractometer refractometric refractometry refractor unrefracting

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