Summary

Portrait of Thomas Davidson Thomas Davidson Chambers's Twentieth Century Dictionary 1908… (1908)

Reflection, Reflexion, rē-flek′shun, n. the act of reflecting: the change of direction when a ray of light, &c., strikes upon a surface and is thrown back: the state of being reflected: that which is reflected: the action of the mind by which it is conscious of its own operations: attentive consideration: contemplation: censure or reproach: (anat.)
Source: Wikisource

Portrait of Thomas Davidson Thomas Davidson Chambers's Twentieth Century Dictionary 1908… (1908)

Rēfrac′tor, a refracting telescope.—Angle of refraction, the angle between a perpendicular and a ray of light after its change of direction, bearing a constant ratio to the sine of the angle of incidence—the index of refraction; Astronomical, or Atmospheric, refraction, the apparent angular elevation of the heavenly bodies above their true places, caused by the refraction of the rays of light in their passage through the earth's atmosphere; Double refraction, the separation of an incident ray of light into two refracted rays, polarised in perpendicular planes.
Source: Wikisource

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