refracting telescope

a refracting telescope;

f indicates the focus

re·fract·ing telescope

(rĭ-frăk′tĭng)

A telescope in which light from an object is gathered and focused by a lens, 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.

refracting telescope

(Astronomy) a type of telescope in which the image is formed by a set of lenses. Also called: refractor Compare reflecting telescope

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tel•e•scope

(ˈtɛl əˌskoʊp)

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]

re·fract·ing telescope

(rĭ-frăk′tĭng)

A telescope in which light from an object is gathered and focused by lenses. See more at telescope.

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.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

$refracting telescope - optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece$ refracting telescope - optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece

field glass, spyglass, glass - a small refracting telescope

Galilean telescope - a type of refracting telescope that is no longer used in astronomy

optical telescope - an astronomical telescope designed to collect and record light from cosmic sources

Translations

refracting telescope

n → Refraktor m

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

Mentioned in

References in periodicals archive

The new equipment, a 16-inch reflecting telescope, has replaced the six-inch aperture refracting telescope procured in 1958 by the university.

Suparco gives Karachi University modern telescope worth Rs6m

Eye on the stars Robert Waland at his Dumfries home with the six inch refracting telescope he took 12 years to create, completing it in 1945

Fly me back to the moon; Local links to lunar landing 50 years ago

His interests were diverse, taking him from the woodworking shop and laboratory he built with his brother, to observing the Moon and planets with a 4-inch Clark refracting telescope mounted on the roof of the family home when Hale was 14, to informally studying architecture with the Chicago architect Daniel H.

A Crowded Life: A curious mind and an inventive spirit helped George Ellery Hale transform modern astronomy

The 25-inch refracting telescope that resulted was, at the time, the largest in the world and had a tube nearly 30ft in length.

Blue Plaque honour for Gateshead luminary

In 1608, two Flemish spectacle-makers, Hans Lippershey and Jacob Metius independently of each other applied for patents for the first refracting telescope. News of these novel devices, described as 'for seeing things far away as if they were nearby', soon reached Galileo Galilei who then worked out the principles for himself building his own 8x magnification version in 1609.

Bring back the telescopes

The refracting telescope uses two lenses and was first invented in 1608 in the Netherlands.

Telescopes open up the night sky; WITH DAVID WARRINGTON Stargazing

He recommended using binoculars adding: "If you use a small reflecting or refracting telescope, you might be able to see the rings of Saturn or even four of Jupiter's moons.

Heavenly chance for stargazers as five planets come into view

An astronomical observatory at the complex houses a telescopic system comprising a reflecting telescope of 450 mm diameter connected with a refracting telescope of 180 mm diameter, both devices mounted on one base.

Sharjah Centre for Astronomy and Space opens to public on July 2

Robert Todd Lincoln, considered to be a serious amateur astronomer, constructed an observatory with a six-inch refracting telescope that continues to be used today by the local astronomy club.

The Lincolns lived here; Hildene was family's Vermont summer home

The first practical refracting telescope was perfected by which astronomer?

QUIZ OF THE DAY

It is also home to L d ' l l i and the UK's largest refracting telescope.

Greenwich. family time; Looking for a place to go with the kids? This part of London may be just the ticket, writes ZOE CHAMBERLAIN