Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
1,806,201,397 visitors served.
forum mailing list For webmasters
?
New: Language forums
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

second
(redirected from Second of arc)

    Also found in: Dictionary/thesaurus, Medical, Idioms, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
second (Backer), noun advocate, aide, angel, backer, champion, endorser, patron, promoter, supporter
second (Moment), noun before you know it, brief peeiod of time, flash, flash of an eyelid, instant
second verb approve, assist, authorize, back, back up, confirm, endorse, favor, pass, ratify, receipt, recommend, sanction, stand behind, subscribe, support, validate, vote for, warrant
Associated concepts: second lien
See also: abet, abettor, advocate, agree, aid, approve, assist, assistant, backer, bear, concur, confirm, countersign, deputy, endorse, help, indorse, justify, organize, point, proctor, promote, recommend, replacement, side, support, uphold

SECOND. A measure equal to one sixtieth part of a minute. Vide Measure.



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 ? References in periodicals archive
 
ESO astronomers expect to be able to point the telescope with an accuracy of 1 second of arc, which they say is "a figure unsurpassed by any other existing telescope of this size.
First telescope with active optics by Thomsen, Dietrick E. / Science News
1 second of arc, and after a great deal of work, its images can be coaligned and made to coincide as well as astronomers would like.
New telescope for old by Thomsen, Dietrick E. / Science News
One of the trial runs for the NNTT's mirrors will be a 4-meter borosilicate glass mirror, which will be completely tested, shaped and supported so as to give an image accurate to a quarter of a second of arc.
Staring at the poles of the sky; a telescope that looked at the North ... by Thomsen, Dietrick E. / Science News
More results
 
Legal browser? ? Full browser
 
 
Legal Dictionary
?

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.