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
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>
:  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 Defined for Kids


verb re·fract \ri-ˈfrakt\

Definition of REFRACT for Kids

:  to make (light) bend when it passes through at an angle <Prisms refract light.>
Medical Dictionary


transitive verb re·fract \ri-ˈfrakt\

Medical Definition of REFRACT

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


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