refractional

refractional

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Universalium. 2010.

Look at other dictionaries:

  • refractional — refracˈtional adjective • • • Main Entry: ↑refract …   Useful english dictionary

  • refraction — refractional, adj. /ri frak sheuhn/, n. 1. Physics. 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. 2. Ophthalm. a. the ability of the …   Universalium

  • refractiveness — See refractional. * * * …   Universalium

  • refractively — See refractional. * * * …   Universalium

  • RGD — range gated Doppler; refractional geometric distortions [imaging] …   Medical dictionary

  • RGD — • range gated Doppler; • refractional geometric distortions [imaging] …   Dictionary of medical acronyms & abbreviations

  • refraction — /rəˈfrækʃən / (say ruh frakshuhn) noun 1. Physics the change of direction of a ray of light, heat, or the like, in passing obliquely from one medium into another in which its speed is different. 2. Optics a. the ability of the eye to refract… …   Australian-English dictionary

  • refract —   v.t. deflect (ray of light etc.) on its passage from a medium to another of different density, with, usually, dispersion or splitting up of the ray; distort.    ♦ refraction, n.    ♦ refractor, n.    ♦ refractional,    ♦ refractive, a.    ♦… …   Dictionary of difficult words

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