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telescope

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telescope

Main Entry:: ¹tele·scope
Pronunciation:: \ˈte-lə-ˌskōp\
Function:: noun
Usage:: often attributive
Etymology:: New Latin telescopium, from Greek tēleskopos farseeing, from tēle- tele- + skopos watcher; akin to Greek skopein to look — more at spy
Date:: 1648

1 : a usually tubular optical instrument for viewing distant objects by means of the refraction of light rays through a lens or the reflection of light rays by a concave mirror — compare reflector , refractor 2 : any of various tubular magnifying optical instruments 3 : radio telescope

Learn more about "telescope" and related topics at Britannica.com

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