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Telescope

/ˈtɛlɪskəʊp/

Today’s word is River.

A telescope on a stand outdoors
A telescope. Photograph by Brainandforce. CC BY 4.0, via Wikimedia Commons.

What it means

  • noun

    A monocular optical instrument that magnifies distant objects, especially in astronomy.

  • noun

    Any instrument used in astronomy for observing distant objects (such as a radio telescope).

  • verb

    To extend or contract in the manner of a telescope.

Where it comes from

Telescope was coined in the early 1600s from Greek tele, far, and skopos, a watcher: someone who watches distant things. The word spread with the new instrument, through Italian and Latin, and English borrowed it almost at once.

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