e-tutor.com - Online tutoring, learning, and homeschooling resources      Home    Enroll    Tour    Contact Us    Graphing Calculator         Dictionary Home    Index    About   
 
     
 

Definition of 'gregorian telescope'

Noun

  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 center of the primary mirror
       Synonyms: Cassegrainian telescope


Get this dictionary without ads as part of the e-Tutor Virtual Learning Program.