Dictionary

refraction

10 ENTRIES FOUND:

refraction

noun re·frac·tion \ri-ˈfrak-shən\

Definition of REFRACTION

1
:  deflection from a straight path undergone by a light ray or energy wave in passing obliquely from one medium (as air) into another (as glass) in which its velocity is different
2
:  the change in the apparent position of a celestial body due to bending of the light rays emanating from it as they pass through the atmosphere; also :  the correction to be applied to the apparent position of a body because of this bending
3
:  the action of distorting an image by viewing through a medium; also :  an instance of this

Illustration of REFRACTION

First Known Use of REFRACTION

1603

refraction

noun re·frac·tion \ri-ˈfrak-shən\   (Medical Dictionary)

Medical Definition of REFRACTION

1
:  the deflection from a straight path undergone by a light ray or a wave of energy in passing obliquely from one medium (as air) into another (as water or glass) in which its velocity is different
2
a :  the refractive power of the eye b :  the act or technique of determining ocular refraction and identifying abnormalities as a basis for the prescription of corrective lenses

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