reflector : Idioms & Phrases


newtonian reflector

  • noun reflecting telescope in which the image is viewed through an eyepiece perpendicular to main axis
    Newtonian telescope.
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off-axis reflector

  • noun a reflecting telescope with the mirror slightly tilted to throw the image to the side where it can be viewed
    Herschelian telescope.
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parabolic reflector

  • noun a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam
    parabolic reflector.
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paraboloid reflector

  • noun a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam
    parabolic reflector.
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radio reflector

  • noun astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extraterrestrial sources
    radio telescope.
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