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Definition of telescope

telescope

/ˈtɛl.əˌskoʊp/
tel · e · scope

Adverb:telescopically
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Plural:telescopes
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Adjective:telescopic
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Past Simple:telescoped
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Past Participle:telescoped
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Present Participle:telescoping
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telescope Lexical Profile

telescope Game Scores & Validity

• noun

1

An optical instrument designed to make distant objects appear nearer, typically containing an arrangement of lenses, or of curved mirrors and lenses, by which rays of light are collected and focused to magnify the resulting image.

Example

"The astronomer spent hours looking through the telescope to observe the rings of Saturn."


2

Any instrument, such as a radio telescope, used to detect and collect electromagnetic radiation from distant sources in space.

Example

"The observatory installed a massive new radio telescope to capture faint signals from distant galaxies."

• verb

1

To slide or cause to slide into itself, so that one part overlaps or is contained within another, like the cylindrical sections of a collapsible spyglass.

Example

"During the train crash, several of the passenger cars telescoped into one another."


2

To condense or make shorter in duration or extent, particularly with reference to time or information.

Example

"The professor had to telescope a semester's worth of material into a three-week intensive course."

Synonyms
View all synonyms for telescope
Antonyms
View all antonyms for telescope

• Rhymes for telescope

Word Origin & Etymology

Coined in 1611 by the Greek mathematician Giovanni Demisiani for Galileo Galilei's instrument, from the Greek 'tēle' (far) and 'skopein' (to look or see).

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Telescope. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/telescope
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