A reflecting telescope (also called a reflector) is an optical telescope which uses a single or combination of curved mirrors that reflect light and form an image. The reflecting telescope was invented in the 17th century as an alternative to the refracting telescope which, at that time, was a design that suffered from severe chromatic aberration....
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http://en.wikipedia.org/wiki/Reflecting_telescope
(from the article `telescope`) Reflectors are used not only to examine the visible region of the electromagnetic spectrum but also to explore both the shorter- and ... Optical telescopes are either refractors or reflectors that use lenses or mirrors, respectively, for their main light-collecting elements ... The reflecting telescope ...
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http://www.britannica.com/eb/a-z/r/25
A telescope that uses mirrors to magnify and focus an image onto an eyepiece or other device, such as an array of charge-coupled devices. Its main advantage is that, unlike a refracting telescope, it doesn't suffer from chromatic aberration. The main designs of reflector in use today are the Newtoni...
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http://www.daviddarling.info/encyclopedia/R/reflector.html
[
n] - optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
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http://www.webdictionary.co.uk/definition.php?query=reflecting%20telescope
A type of telescope using a mirror as the objective. See also: Refracting Telescope, Telescope.
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https://www.encyclo.co.uk/local/20687
noun optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece; `Isaac Newton invented the reflecting telescope in 1668`
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https://www.encyclo.co.uk/local/20974
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