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refraction US English

The 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

double refraction US English

Division of a single incident light ray or other electromagnetic wave into two separate rays in an anisotropic medium

molar refraction US English

= molar refractivity.

refraction circle US English

= transit-circle (now historical and rare).

refraction error US English

An error caused by refraction; (Ophthalmology) a refractive error of the eye.

refraction index US English

= refractive index.

seismic refraction US English

The refraction of elastic waves on passing between bodies of rock having different seismic velocities

refraction profiling US English

Profiling of underground features by means of refraction shooting.

refraction shooting US English

Seismic prospecting based on the travel time of shock waves generated at the earth's surface and moving nearly parallel to the bedding on a long base line, providing information on underground geological structure on a larger scale.

angle of refraction US English

The angle made by a refracted ray with a perpendicular to the refracting surface