Telescope Definition

tĕlĭ-skōp
telescoped, telescopes, telescoping
noun
telescopes
An optical instrument for making distant objects, as the stars, appear nearer and consequently larger: it consists of two or more lenses or mirrors.
Webster's New World
Any of various devices, such as a radio telescope, used to detect and observe distant objects by their emission, absorption, or reflection of electromagnetic radiation.
American Heritage
Synonyms:
verb
telescoped, telescopes, telescoping
To cause to telescope.
Webster's New World
To have one part slide into another part like the concentric tubes of a small, collapsible telescope.
Webster's New World
To condense; shorten, as by combining parts, compressing, etc.
Webster's New World
To make more compact or concise; condense.
American Heritage
To come into contact with such force that the colliding parts become compressed.
Webster's New World
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adjective
Having parts that slide one inside another.
Webster's New World

Other Word Forms of Telescope

Noun

Singular:
telescope
Plural:
telescopes

Origin of Telescope

  • New Latin telescopium or Italian telescopio both from Greek tēleskopos far-seeing tēle- tele- skopos watcher spek- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • tele- +"Ž -scope. From Latin telescopium, from Ancient Greek τηλεσκόπος (tÄ“leskopos, “far-seeing"), from τῆλε (tÄ“le, “afar") + σκοπέω (skopeō, “I look at").

    From Wiktionary

  • Coined in 1611 by the Greek mathematician Giovanni Demisiani for one of Galileo Galilei's instruments presented at a banquet at the Accademia dei Lincei.

    From Wiktionary

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