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astronomical telescope

noun
  1. a telescope having an objective with a long focal length and an eyepiece with a short focal length, usually used for observing celestial bodies.
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Origin of astronomical telescope

First recorded in 1880–85
Also called Kepler telescope.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for astronomical telescope

astronomical telescope

noun
  1. any telescope designed and mounted for use in astronomy. Such telescopes usually form inverted imagesSee Cassegrain telescope, Newtonian telescope, equatorial mounting
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012