Refract meaning

rĭ-frăkt
Refract is defined as to cause sound, light or heat to bounce back in a straight line.

An example of refract is for a mirror to cause a light beam to bounce back.

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To deflect (light, for example) from a straight path by refraction.
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To cause (a ray or wave of light, heat, or sound) to undergo refraction.
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To alter by viewing through a medium.
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(medicine) To determine the refraction of (an eye, for example).
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(optics) To measure the degree of refraction of (an eye or lens)
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To deflect light or other waves from a straight path by refraction.
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To determine the refraction of.

Refracted the patient's eye.

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(intransitive, of light) To change direction as a result of entering a different medium.
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(optics) To cause (light) to change direction as a result of entering a different medium.

A prism can refract light.

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Origin of refract

  • Latin refringere refrāct- to break up re- re- frangere to break bhreg- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin refractum, the neutral inflection of refractus, the past participle of refringere, itself from re- 'again' + frangere 'to break'.

    From Wiktionary