Definitions of reflector
  1. noun
    device that reflects radiation
    see moresee less
    show 10 types...
    hide 10 types...
    polished surface that forms images by reflecting light
    parabolic reflector, paraboloid reflector
    a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam
    solar collector, solar dish, solar furnace
    a concave mirror that concentrates the rays of the sun; can produce high temperatures
    car mirror
    a mirror that the driver of a car can use
    cheval glass
    a full length mirror mounted in a frame in which it can be tilted
    hand glass, hand mirror
    a mirror intended to be held in the hand
    glass, looking glass
    a mirror; usually a ladies' dressing mirror
    parabolic mirror
    a parabolic reflector for light radiation
    pier glass, pier mirror
    a large mirror between two windows
    a mirror (especially one made of polished metal) for use in an optical instrument
    type of:
    an instrumentality invented for a particular purpose
  2. noun
    optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
    synonyms: reflecting telescope
    see moresee less
    show 6 types...
    hide 6 types...
    Cassegrainian telescope, Gregorian telescope
    a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror
    coude system, coude telescope
    a reflecting telescope so constructed that the light is led to a plate holder or spectrograph
    Herschelian telescope, off-axis reflector
    a reflecting telescope with the mirror slightly tilted to throw the image to the side where it can be viewed
    Maksutov telescope
    reflecting telescope in which the aberration of the concave mirror is reduced by a meniscus lens
    Newtonian reflector, Newtonian telescope
    reflecting telescope in which the image is viewed through an eyepiece perpendicular to main axis
    Schmidt camera, Schmidt telescope
    reflecting telescope that has plate that corrects for aberration so a wide area of sky can be photographed
    type of:
    optical telescope
    an astronomical telescope designed to collect and record light from cosmic sources
Word Family

Test prep from the experts

Boost your test score with programs developed by’s experts.

  • Proven methods: Learn faster, remember longer with our scientific approach.
  • Personalized plan: We customize your experience to maximize your learning.
  • Strategic studying: Focus on the words that are most crucial for success.


  • Number of words: 500+
  • Duration: 8 weeks or less
  • Time: 1 hour / week


  • Number of words: 500+
  • Duration: 10 weeks or less
  • Time: 1 hour / week


  • Number of words: 700+
  • Duration: 10 weeks
  • Time: 1 hour / week