telescope

noun, often attributive
tele·​scope | \ ˈte-lə-ˌskōp How to pronounce telescope (audio) \

Definition of telescope

 (Entry 1 of 2)

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

telescope

verb
telescoped; telescoping

Definition of telescope (Entry 2 of 2)

intransitive verb

1 : to become forced together lengthwise with one part entering another as the result of collision
2 : to slide or pass one within another like the cylindrical sections of a collapsible hand telescope
3 : to become compressed or condensed

transitive verb

1 : to cause to telescope

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Examples of telescope in a Sentence

Noun The rings of Saturn can be seen through a telescope. Verb for dramatic purposes, the film telescopes the years over which the events occurred into a few short months
Recent Examples on the Web: Noun There are many beautiful star fields within this region. Binoculars and low-powered telescopes will give you a good peek at them. Arnold Pearlstein, sun-sentinel.com, "The Stars This Week: Sept. 15-21," 15 Sep. 2019 Even a planet like K2-18b can be examined only with humanity's most sensitive space telescope - the Hubble. Sarah Kaplan, Anchorage Daily News, "Scientists say they found their first potentially habitable planet with water in its skies," 12 Sep. 2019 Of significance, scientists found several glass bottles of various shapes and sizes, a telescope, a spoon and ceramic plates, plus an anemone and a crab at Site 15711, NOAA reported. Marcy De Luna, Houston Chronicle, "NOAA researchers discover two unexplored shipwrecks in the Gulf of Mexico," 30 July 2019 The summer season means that Jupiter is visible to the naked eye, and with just a pair of binoculars, or a small telescope, its four largest moons may also be visible. Nicole Stock, chicagotribune.com, "Grab your binoculars and head to the lake, Jupiter's moons will be visible this week," 10 June 2019 From the optimum vantage and in ideal weather conditions, experienced wildlife spotters independently counted the colonies from the ground using binoculars and telescopes. Smithsonian, "When It Comes to Counting Wildlife, Drones Are More Accurate Than People," 27 Feb. 2018 The telescope, which began operations in July 2018, is the largest science project in Africa. Denise Chow, NBC News, "Huge, mysterious 'bubbles' discovered at the heart of the Milky Way," 16 Sep. 2019 Even a planet like K2-18b can be examined only with humanity's most sensitive space telescope - the Hubble. Sarah Kaplan, Anchorage Daily News, "Scientists say they found their first potentially habitable planet with water in its skies," 12 Sep. 2019 Even a planet like K2-18b can be examined only with humanity's most sensitive space telescope - the Hubble. oregonlive, "First evidence of water found in atmosphere of planet K2-18b," 11 Sep. 2019 Recent Examples on the Web: Verb Almost every year, Sammi has had new metal telescoping rods surgically implanted into her arms and legs, though her small limbs still bow and bend. René A. Guzman, ExpressNews.com, "San Antonio girl stars in new Netflix series, ‘Raising Dion’," 3 Oct. 2019 It’s hard to describe—hard to fathom, even—that a single image can telescope in on itself the way this painting does. Duff Mcdonald, WIRED, "The Cosmic, Psychedelic, Glow-in-the-Dark Art of Alex Aliume," 20 Aug. 2019 The wheeled bag has a telescoping pull handle; the roomy duffel’s external sleeve slides over the telescoping handle of any wheeled bag. Los Angeles Times, "Gear that keeps clothes neat, you cool, and your feet and your dog happy," 18 July 2019 Their toothless mouths telescope out and vacuum up anything from worms to mussels. Fox News, "Sturgeon, America's forgotten dinosaurs, are showing signs of life," 10 July 2019 Each additional observatory makes that equivalent telescope bigger and more sensitive. Avery Thompson, Popular Mechanics, "Behind the Scenes of the First Black Hole Photo," 12 Apr. 2019 The red steel pillars of the station hurtled by, and then the grotty cavern walls of the tunnel, its bare light bulbs and heavy cables telescoping past. William Finnegan, The New Yorker, "Can Andy Byford Save the Subways?," 2 July 2018 Justices are already considering another appeal challenging the state land board’s decision to allow the University of Hawaii to sublease mountaintop land to telescope builders. Washington Post, "Giant telescope project before Hawaii Supreme Court again," 21 June 2018 The vehicle is heavily armed, with a 40-millimeter gun firing cased telescoped ammunition. Kyle Mizokami, Popular Mechanics, "France’s New Armored Car Does Not Mess Around," 17 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'telescope.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of telescope

Noun

1650, in the meaning defined at sense 1

Verb

1866, in the meaning defined at intransitive sense 1

History and Etymology for telescope

Noun

New Latin telescopium, from Greek tēleskopos farseeing, from tēle- tele- + skopos watcher; akin to Greek skopein to look — more at spy

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Statistics for telescope

Last Updated

27 Oct 2019

Time Traveler for telescope

The first known use of telescope was in 1650

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More Definitions for telescope

telescope

noun
How to pronounce telescope (audio)

English Language Learners Definition of telescope

 (Entry 1 of 2)

: a device shaped like a long tube that you look through in order to see things that are far away

telescope

verb

English Language Learners Definition of telescope (Entry 2 of 2)

: to become shorter by having one section slide inside another somewhat larger section
: to make (something) shorter in length or time

telescope

noun
tele·​scope | \ ˈte-lə-ˌskōp How to pronounce telescope (audio) \

Kids Definition of telescope

 (Entry 1 of 2)

: a piece of equipment shaped like a long tube that has lenses for viewing objects at a distance and especially for observing objects in outer space

telescope

verb
telescoped; telescoping

Kids Definition of telescope (Entry 2 of 2)

: to slide or force one part into another

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