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Noun: Gregorian telescope  gri'go-ree-un 'te-li,skowp
  1. 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 centre of the primary mirror
    - Cassegrainian telescope

Derived forms: Gregorian telescopes

Type of: reflecting telescope, reflector

Encyclopedia: Gregorian telescope

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Gregarinida
gregarious
gregariously
gregariousness
Gregor Mendel
Gregorian
Gregorian calendar
Gregorian calendar month
Gregorian chant
Gregorian mode
Gregorian telescope
Gregory
Gregory Goodwin Pincus
Gregory I
Gregory John Norman
Gregory Nazianzen
Gregory of Nazianzen
Gregory of Nazianzus
Gregory Pincus
Gregory the Great
Gregory VII