noun[mass noun] Physics
- 1The fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.More example sentences
- The disagreement concerns one of the most fundamental and best-known phenomena in optics - refraction.
- Central to the concept of a perfect lens is the phenomenon called refraction, which occurs when electromagnetic waves, including light, bend slightly when passing from one material into another.
- Although it has long been known that a rainbow is produced by the dispersion of white light through rain droplets via refraction, there is far more to this optical phenomenon than first meets the eye.
- 1.1Change in direction of propagation of any wave as a result of its travelling at different speeds at different points along the wave front.More example sentences
- But perhaps the most immediately accessible phenomenon from an experimental or computational point of view is the reversal of wave refraction, illustrated in figure 2.
- He produced several other papers on light, the most important being in 1839 when he applied methods used by Green to study reflection and refraction of waves at a surface.
- Because of the effect of wave refraction, the plan shape of crenulated coasts can attain an equilibrium state.
mid 17th century: from late Latin refractio(n-), from refringere 'break up' (see refract).
More definitions of refractionDefinition of refraction in:
- The US English dictionary