astronomical telescope Word Origin noun
- a telescope having an objective with a long focal length and an eyepiece with a short focal length, usually used for observing celestial bodies.
Origin of astronomical telescope First recorded in 1880–85 Also called Kepler telescope. British Dictionary definitions for astronomical telescope astronomical telescope noun
- any telescope designed and mounted for use in astronomy. Such telescopes usually form inverted imagesSee Cassegrain telescope, Newtonian telescope, equatorial mounting