Search Result：cassegrainian telescope
cassegrainian telescope 
(TTS Sound)
(TTS Sound)Overview of noun cassegrainian_telescope
The noun cassegrainian telescope has 1 sense
- 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)