Dictionary
Thesaurus
Encyclopedia
Translator
Web
Related Searches
Nearby Words

gregorian telescope

 - 2 dictionary results
Cabela's - Binoculars
Choose from a wide variety of binoculars at Cabelas.com.
www.Cabelas.com
Cheapest Telescopes
Save on Telescopes! Large Selection, Low Prices
www.Glimpse.com/Optics
Buy a Telescope On Sale
Up to 70% Off & Free Shipping Full Warranty, Authorized Dealer
www.OpticsPlanet.net/Telescopes

Gregorian telescope

 
Use gregorian telescope in a Sentence
–noun
a telescope similar in design to the Cassegrainian telescope but less widely used.
Origin:
1755–65; named after James Gregory; see -ian
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To gregorian telescope
Cabela's - Binoculars
Choose from a wide variety of binoculars at Cabelas.com.
www.Cabelas.com
Cheapest Telescopes
Save on Telescopes! Large Selection, Low Prices
www.Glimpse.com/Optics
gregorian telescope

noun
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 [syn: Cassegrainian telescope] 
WordNet® 3.0, © 2006 by Princeton University.
Cite This Source
Search another word or see gregorian telescope on Thesaurus | Reference
Buy a Telescope On Sale
Up to 70% Off & Free Shipping Full Warranty, Authorized Dealer
www.OpticsPlanet.net/Telescopes
Telescopes - Cheap Prices
Zoom-in on Amazing Telescope Deals! Orion, Bushnell, Celestron & More.
www.NexTag.com/Telescopes
Telescopes
Find Telescopes at Great Prices! Compare 2,000+ Telescopes
Telescope.OhDeal.com
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way