Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
a reflecting telescope; f indicates the focus
A telescope in which light from the object is gathered and focused by a concave mirror, with the resulting image magnified by the eyepiece.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Astronomy) a type of telescope in which the initial image is formed by a concave mirror. Also called: reflector Compare refracting telescope
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n., adj., v. -scoped, -scop•ing. n.
1. an optical instrument for making distant objects appear larger and nearer when viewed directly through lenses (refracting telescope) or indirectly as through images focused by a concave mirror (reflecting telescope).adj.
2. consisting of parts that slide one within another.v.t.
3. to force together, one into another, in the manner of the sliding tubes of a jointed telescope.
4. to shorten or condense.v.i.
5. to slide together in the manner of the tubes of a telescope.
6. to be driven one into another, as railroad cars in a collision.
7. to become condensed.
[1640–50; < New Latin telescopium or Italian telescopio]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Switch to new thesaurus
|Noun||1.||reflecting telescope - 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"|
Cassegrainian telescope, Gregorian telescope - a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror
coude system, coude telescope - a reflecting telescope so constructed that the light is led to a plate holder or spectrograph
Herschelian telescope, off-axis reflector - a reflecting telescope with the mirror slightly tilted to throw the image to the side where it can be viewed
Maksutov telescope - reflecting telescope in which the aberration of the concave mirror is reduced by a meniscus lens
Newtonian reflector, Newtonian telescope - reflecting telescope in which the image is viewed through an eyepiece perpendicular to main axis
optical telescope - an astronomical telescope designed to collect and record light from cosmic sources
parabolic mirror - a parabolic reflector for light radiation
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
n → Spiegelteleskop nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007