Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
1,779,663,248 visitors served.
forum mailing list For webmasters
?
New: Language forums
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

coelostat

   Also found in: Encyclopedia, Wikipedia 0.02 sec.
coelostat [ˈsiːləˌstæt]
n
(Astronomy) an astronomical instrument consisting of a plane mirror mounted parallel to the earth's axis and rotated about this axis once every two days so that light from a celestial body, esp the sun, is reflected onto a second mirror, which reflects the beam into a telescope Compare siderostat
[C19 coelo-, from Latin caelum heaven, sky + -stat]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.coelostat - optical device used to follow the path of a celestial body and reflect its light into a telescope; has a movable and a fixed mirror
optical device - a device for producing or controlling light


How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Email
Feedback
Add definition
? Mentioned in
 
Dictionary/thesaurus browser? ? Full browser
 
 
Dictionary, Thesaurus, and Translations
?

Disclaimer | Privacy policy | Feedback | Copyright © 2009 Farlex, Inc.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Terms of Use.