Gregorian telescope

/grəˌgɔriən ˌtɛləˈskoʊp/
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Other forms: Gregorian telescopes

Definitions of Gregorian telescope
  1. noun
    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
    synonyms: Cassegrainian telescope
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    type of:
    reflecting telescope, reflector
    optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
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