Definition of telescope in English:

telescope

Line breaks: tele|scope
Pronunciation: /ˈtɛlɪskəʊp
 
/

noun

1An optical instrument designed to make distant objects appear nearer, containing an arrangement of lenses, or of curved mirrors and lenses, by which rays of light are collected and focused and the resulting image magnified.
More example sentences
  • We use electromagnetic waves to detect and image objects: light waves for optical microscopes and telescopes, electrons for electron microscopes and radar.
  • Even though supernovas can appear as bright as galaxies when viewed with optical telescopes, this light represents only a small fraction of the energy released.
  • In recent years he has focused on astronomy, using lasers to help combine images from distant telescopes, effectively creating a huge virtual lens.
Synonyms
spyglass, glass
informal scope
1.1 short for radio telescope.
More example sentences
  • Tiny, aligned telescopes can send and detect single photons sent through the air.
  • The two telescopes monitored frequencies outside the range of mobile phones and satellite television so would pick up least interference.
  • A suite of infrared, wide-field telescopes installed along the length of the aircraft's fuselage detects the missile plume at ranges up to several hundred km.

verb

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1(With reference to an object made of concentric tubular parts) slide or cause to slide into itself, so that it becomes smaller: [no object]: five steel sections that telescope into one another [with object]: the sliding carriage escapes were telescoped into a shorter length
More example sentences
  • They are produced in sections that can be telescoped for portability.
  • The chairs telescope into each other so that large numbers can be transported with ease.
  • The doubler plate is very securely riveted to the boiler barrel but close inspection shows that water has been leaking for some time and has cause serious external corrosion of the outer surface of the barrel - particularly where the two barrel sections telescope into each other.
Synonyms
slide together, collapse
1.1 [with object] Crush (a vehicle) by the force of an impact: he drove right into another car—telescoped it
More example sentences
  • The locomotive, tender, and first three cars derailed, and the express car was partially telescoped by the tender.
  • He remounted his motorcycle and paused momentarily to look down into the dried bed of the klong at the smoking telescoped vehicle there, as the hospital staff swarmed all over it.
  • An engine had telescoped two cars, and the second car had telescoped the car in front of it.
Synonyms
crush, concertina, squash, compact, compress
1.2 [with object] Condense or conflate so as to occupy less space or time: a large portion of the past had to be telescoped and summarized for her
More example sentences
  • Furthermore, I feel it is perfectly legitimate, in the interests of creating a good drama, to telescope events or create symbolic scenes.
  • At the risk of unduly telescoping or compressing modern Malaysian history, just two political turning-points will now be identified.
  • Their budding relationship and accumulating discoveries, crudely telescoped in this screenplay, unfold in laborious parallel with the flashback 19 th-century affair.
Synonyms

Origin

mid 17th century: from Italian telescopio or modern Latin telescopium, from tele- 'at a distance' + -scopium (see -scope).

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