angle of refraction
Date: circa 1727 the angle between a refracted ray and the normal drawn at the point of incidence to the interface at which refraction occurs

New Collegiate Dictionary. 2001.

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  • Angle of refraction — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… …   The Collaborative International Dictionary of English

  • angle of refraction — n the angle between a refracted ray and the normal drawn at the point of incidence to the interface at which refraction occurs * * * the angle between a refracted ray and a line perpendicular to the refracting surface; see refraction …   Medical dictionary

  • angle of refraction — Physics, Optics. the angle between a refracted ray and a line drawn normal to the interface between two media at the point of refraction. See diag. under refraction. [1765 75] * * * …   Universalium

  • angle of refraction — noun the angle between a refracted ray and a line perpendicular to the surface between the two media at the point of refraction • Hypernyms: ↑angle …   Useful english dictionary

  • angle of refraction — an′gle of refrac′tion n. opt phs the angle between a refracted ray and a normal to the interface between two media at the point of refraction • Etymology: 1765–75 …   From formal English to slang

  • angle of refraction — noun the angle that a refracted ray of light makes with the perpendicular to the interfacial surface at the point of refraction …   Australian English dictionary

  • angle of refraction — noun The angle between the perpendicular and a ray refracted at a surface …   Wiktionary

  • angle of refraction — noun Physics the angle made by a refracted ray with a perpendicular to the refracting surface …   English new terms dictionary

  • Angle of incidence — is a measure of deviation of something from straight on , for example: in the approach of a ray to a surface, or the angle at which the wing or horizontal tail of an airplane is installed on the fuselage, measured relative to the axis of the… …   Wikipedia

  • angle of deviation — Optics. the angle equal to the difference between the angle of incidence and the angle of refraction of a ray of light passing through the surface between one medium and another of different refractive index. Also called deviation. [1825 35] * *… …   Useful english dictionary

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