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

When observed by larger telescopes, astronomers were gobsmacked. Eric Bangeman, Ars Technica, "Talk amongst yourselves: 2018’s most-commented stories on Ars," 24 Dec. 2018 The Kepler wake-up whipsaw continues. NASA's Kepler space telescope, which has discovered more than 2,650 alien planets to date, emerged from yet another slumber Thursday (Oct. 11), agency officials said. Mike Wall, Space.com, "NASA's Kepler Planet-Hunting Space Telescope Wakes Up Again," 13 Oct. 2018 Similar in design to a telescope, the spectroscope worked like a super-powered prism, dispersing light into measurable wavelengths. Chris Stirewalt, Fox News, "Nuggets from the passing parade," 17 Aug. 2018 This modern two-bedroom, two-bathroom residence was designed by Rob Paulus Architects for a local astronomer and completed back in 2010, hence the observatory, telescope, and seismograph that dot the five-acre property. Alex Bazeley, Curbed, "Sleek desert home with a window to the heavens asks $495K," 12 July 2018 So the duo applied to study the planet with Hubble, and were awarded 40 hours of observation time with the iconic telescope. Mike Wall, Space.com, "First Exomoon Found? Neptune-Sized World Possibly Spotted Orbiting Alien Planet," 3 Oct. 2018 The research team used the iSHELL on the NASA Infrared Telescope Facility and the Near Infrared Spectograph on the Keck 2 telescope to find the water, utilizing radiation data collected from the instruments. Chris Ciaccia, Fox News, "Water clouds in Jupiter's Great Red Spot mean alien life 'can't be ruled out'," 31 Aug. 2018 Two telescope domes, each about 25 feet across, poke up from the roof. Kyle Peterson, WSJ, "An Astronomer’s View of the Christmas Sky," 21 Dec. 2018 But the findings were eventually refuted and blamed on issues with the telescope van de Kamp used. Loren Grush, The Verge, "A cold ‘super-Earth’ may live around a nearby star," 14 Nov. 2018

Recent Examples on the Web: Verb

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 That car, which bowed in 1989, was priced well below its competitors and offered Japanese reliability alongside new features such as an automatic tilt-and-telescoping steering wheel and power-adjustable seat belts. Daniel Miller, latimes.com, "The Genesis G90 is a luxurious opening act for the new brand — and definitely not a Hyundai," 11 May 2018 The adaptation by Ursula Rani Sarma effectively telescopes the epic plot. Charles Mcnulty, latimes.com, "The women of 'A Thousand Splendid Suns,' casting a spell onstage," 5 June 2018 The restaurant has become very popular very quickly with a combination of good food, reasonable pricing and a casual but celebratory interior that telescopes the experience. Michael Bauer, San Francisco Chronicle, "Gran Electrica in Napa: Mexican cuisine straight outta Brooklyn," 31 May 2018 Cased telescoped ammo, in which the projectile is fully enclosed in a shell casing, is only now coming into common use with modern armies and results in a more compact projectile. Kyle Mizokami, Popular Mechanics, "France’s New Armored Car Does Not Mess Around," 17 May 2018 David Childs’s design for 35 Hudson Yards (a.k.a. the Equinox Tower) evolved from a set of telescoping oval cylinders skirted in limestone drapery to a twisting tube of limestone-and-glass mesh woven like a finger trap. Justin Davidson, Daily Intelligencer, "Superhuman City," 18 Apr. 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

17 Mar 2019

Look-up Popularity

Time Traveler for telescope

The first known use of telescope was in 1650

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More Definitions for telescope

telescope

noun

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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