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See second1.
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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.arcsecond - a 60th part of a minute of arc; "the treasure is 2 minutes and 45 seconds south of here"
angular unit - a unit of measurement for angles
arcminute, minute of arc, minute - a unit of angular distance equal to a 60th of a degree
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The technology, called Arcus and that was developed by ArcSecond, Inc., a San Diego-based technology start-up is currently in the pilot phase at Rashid, Dubai and Latifa Hospital.
Austin JM, Gallant JC, Van Niel T (2013) Mean monthly radiation surfaces for Australia at I arcsecond resolution.
Previous data has been limited to 30 arcsecond cells, but for SVT, the cells are reduced to 9 arcseconds and Garmin is actually considering 6 arcsecond data.
With an angular measuring sensitivity of more than 1 arcsecond (0.0003 deg), this system is well suited for aligning precision mounts and fixtures, antenna arrays, molding matching platens, press faces and other assemblies.
The nondispersivity condition therefore requires the sample to be aligned with arcsecond precision.
With just a third of an arcsecond (less than 0.0001 degree) between them, the B0218+357 images hold the record for the smallest separation of any lensed system known.
The typical spatial resolution of those observations is 15 arcseconds or larger (1 arcsecond corresponds to 1/3600 of 1 degree), however, ALMA achieved a high resolution of 3.5 arcseconds in this test observation.
TheSky 6 allows angular measurements on the screen with an indicated precision of one arcsecond. Nonetheless, how reliable is it to reconstruct satellite positions from 400 years ago?
That corresponds to an angular jitter of roughly 1 arcsecond (1/3600[degrees]).
The effort did not succeed in measuringthe actual supernova--though the observers still hope for a more positive result as they continue to refine their data analysis--but it did determine that the supernova was no bigger than two-thousandths of an arcsecond across.
The encoders also nearly eliminate periodic error, reducing it to just 0.2 arcsecond, according to the manufacturer.
Several stars, within a few tenths of an arcsecond away, show clear orbital motion around this site.