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terrestrial telescope

American  

noun

  1. a refracting telescope having inverting lenses or an eyepiece that presents an erect image.

terrestrial telescope British  

noun

  1. a telescope for use on earth rather than for making astronomical observations. Such telescopes contain an additional lens or prism system to produce an erect image Compare astronomical telescope

"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

Etymology

Origin of terrestrial telescope

First recorded in 1805–15

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.