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terrestrial telescope

noun

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



terrestrial telescope

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
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Word History and Origins

Origin of terrestrial telescope1

First recorded in 1805–15
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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ramsden’s dioptric micrometer consists of a divided lens placed in the conjugate focus of the innermost lens of the erecting eye-tube of a terrestrial telescope.

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In order to observe the latter we therefore employ what is called a terrestrial telescope, which is merely a refractor with some extra lenses added in the eye portion for the purpose of turning the inverted image the right way up again.

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The simple microscope—Use of the simple microscope in the telescope—The terrestrial telescope—The Galilean telescope—The prismatic telescope—The reflecting telescope—The parabolic mirror—The compound microscope—The magic-lantern—The bioscope—The plane mirror.

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The lack of atmosphere made it possible to use a power of magnification that no terrestrial telescope may use.

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Whether the white colour of the island, perceptible even in a large Terrestrial telescope, is in any degree due to the whiteness of the birds, their nests, and leavings, or wholly to reflection from the bright spar-like surface of the rock itself, and especially of the flat table-like summit, I will not pretend to say.

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