Definition: Meaning of, Gregorian telescope in English to English dictionary.
Pronunciation:/ ɡrɪˈɡɔːrɪən /
noun
synonym
antonym
Word Forms:
Singular
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Gregorian telescope
Gregorian telescopes
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