Meaning of refraction
Pronunciation: (ri-frak'shun), [key]
- the change of direction of a ray of light, sound, heat, or the like, in passing obliquely from one medium into another in which its wave velocity is different.
- the ability of the eye to refract light that enters it so as to form an image on the retina.
- the determining of the refractive condition of the eye.
- Also calledastronomical refraction.the amount, in angular measure, by which the altitude of a celestial body is increased by the refraction of its light in the earth's atmosphere, being zero at the zenith and a maximum at the horizon.
- the observed altered location, as seen from the earth, of another planet or the like due to diffraction by the atmosphere.
- refraction (Thesaurus)