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Definitions of beam of light
Definition that contains beam of light
  • spot a lamp that produces a strong beam of light to illuminate a restricted area; used to focus attention of a stage performer
  • spotlight a lamp that produces a strong beam of light to illuminate a restricted area; used to focus attention of a stage performer
  • projector an optical device for projecting a beam of light
  • scanning the act of systematically moving a finely focused beam of light or electrons over a surface in order to produce an image of it for analysis or transmission
  • polaroid (trade mark) a plastic film that can polarize a beam of light; often used in sunglasses to eliminate glare
  • grating optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
  • searchlight a light source with reflectors that projects a beam of light in a particular direction
  • electron microscope a microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons to illuminate the object instead of a beam of light
  • slit lamp (ophthalmology) a lamp that emits a narrow but intense beam of light that enables an ophthalmologist, using a microscope, to view the retina and optic nerve
  • convex lens lens such that a beam of light passing through it is brought to a point or focus
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