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refract    
vt. 使折射,测定…的折射度

使折射,测定…的折射度

refract
v 1: subject to refraction; "refract a light beam"
2: determine the refracting power of (a lens)

Refract \Re*fract"\ (r?*fr$kt"), v. t. [imp. & p. p.
{Refracted}; p. pr. & vb. n. {Refracting}.] [L. refractus, p.
p. of refringere; pref. re- re- frangere to break: cf. F.
r['e]fracter. SEe {FRacture}, and cf. {Refrain}, n.]
1. To bend sharply and abruptly back; to break off.
[1913 Webster]

2. To break the natural course of, as rays of light orr heat,
when passing from one transparent medium to another of
different density; to cause to deviate from a direct
course by an action distinct from reflection; as, a dense
medium refrcts the rays of light as they pass into it from
a rare medium.
[1913 Webster]


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  • REFRACT Definition Meaning - Merriam-Webster
    The meaning of REFRACT is to subject (something, such as a ray of light) to refraction How to use refract in a sentence
  • Refraction - Wikipedia
    The refractive index of air depends on the air density and thus vary with air temperature and pressure Since the pressure is lower at higher altitudes, the refractive index is also lower, causing light rays to refract towards the earth surface when traveling long distances through the atmosphere
  • REFRACT | English meaning - Cambridge Dictionary
    When a laser beam is focused onto a dielectric sphere, the rays incident on the particle are reflected and refracted at the surface The waves are refracted according to the ordinary refraction law deduced for non-moving magnetoactive plasmas
  • Refract - definition of refract by The Free Dictionary
    To deflect (light, for example) from a straight path by refraction 2 To alter by viewing through a medium: "In the Quartet reality is refracted through a variety of eyes" (Elizabeth Kastor) 3 Medicine To determine the refraction of (an eye, for example)
  • REFRACT Definition Meaning | Dictionary. com
    Refract definition: to subject to refraction See examples of REFRACT used in a sentence
  • refract - WordReference. com Dictionary of English
    refract - WordReference English dictionary, questions, discussion and forums All Free
  • REFRACT definition and meaning | Collins English Dictionary
    When a ray of light or a sound wave refracts or is refracted, the path it follows bends at a particular point, for example when it enters water or glass As we age, the lenses of the eyes thicken, and thus refract light differently [VERB noun] surfaces that cause the light to reflect and refract [VERB]
  • refract verb - Definition, pictures, pronunciation and usage notes . . .
    refract something (of water, air, glass, etc ) to make waves, such as those of light, sound or energy, change direction when they go through at an angle Light is refracted when passed through a prism Want to learn more? Definition of refract verb in Oxford Advanced Learner's Dictionary
  • Refraction | Definition, Examples, Facts | Britannica
    refraction, in physics, the change in direction of a wave passing from one medium to another caused by its change in speed For example, waves travel faster in deep water than in shallow
  • REFRACTION Definition Meaning - Merriam-Webster
    The root of refraction is seen in the notion that the path of a ray of light or wave of energy is "broken" when it is deflected or turned





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