Dictionary

refract

refract

verb re·fract \ri-ˈfrakt\

of an object or substance : to make (light) change direction when it goes through at an angle

Full Definition of REFRACT

transitive verb
1
a :  to subject (as a ray of light) to refraction
b :  to alter or distort as if by refraction <to refract that familiar world through the mind and heart of a romantic … woman — Anton Myrer>
2
:  to determine the refracting power of

Examples of REFRACT

  1. Light is refracted when it hits water.

Origin of REFRACT

Latin refractus, past participle of refringere to break open, break up, from re- + frangere to break — more at break
First Known Use: 1612

refract

transitive verb re·fract \ri-ˈfrakt\   (Medical Dictionary)

Medical Definition of REFRACT

1
:  to subject (as a ray of light) to refraction
2
:  to determine the refracting power of or abnormality of refraction in (as an eye or a lens)

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