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    1. tel·e·scope
      IPA[ˈteləˌskōp]
    2. n. noun

      • 1. an 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.

        Synonym : spyglass, glass, scope

      v. verb

    3. Variation

      • n.: noun: telescope, plural noun: telescopes

      • v.: verb: telescope, 3rd person present: telescopes, gerund or present participle: telescoping, past tense: telescoped, past participle: telescoped

      • noun

        an 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.
      • verb

        (with reference to an object made of concentric tubular parts) slide or cause to slide into itself, so that it becomes smaller.

        crush (a vehicle) by the force of an impact.

      • n. noun

        an astronomical telescope of the earliest type, with a biconvex objective and biconcave eyepiece.
      • n. noun

        an early reflecting telescope in which light reflected from a concave elliptical secondary mirror passes through a hole in the primary mirror. It was rendered obsolete by the introduction of Newtonian and Cassegrain telescopes.
      • n. noun

        an astronomical telescope that operates in space by remote control, to avoid interference by the earth's atmosphere.
      • n. noun

        a telescope that is used for observing terrestrial objects and gives an uninverted image.
      • n. noun

        a reflecting telescope in which the light from the main mirror is deflected by a small, flat secondary mirror set at 45°, sending it to a magnifying eyepiece in the side of the telescope.
      • n. noun

        an astronomical telescope on an equatorial mount.
      • n. noun

        a type of catadioptric telescope having a deeply curved meniscus lens and a spheroidal primary mirror. A secondary mirror on the back of the lens brings the light to a focus just behind a hole in the primary mirror.
      • n. noun

        a telescope that uses a converging lens to collect light.
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