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arcsecond

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.07 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.arcsecond - a 60th part of a minute of arc; "the treasure is 2 minutes and 45 seconds south of here"
second
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


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The nondispersivity condition therefore requires the sample to be aligned with arcsecond precision.
High-precision determination of the neutron coherent scattering length by Abbas, Sohrab / Journal of Research of the National Institute of Standards and Technology
With this information, scientists can estimate the number of people located in rectangles measuring 30 arcseconds of the Earth's circumference on a side.
Where's Waldo ... and 6 billion others? by Science News
1 arcseconds (1/36,000 of a degree) in angle compared to the official reference value.
Geomagic Studio and Qualify Receive Highest Accuracy Certification ... by Business Wire
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