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arcsecondenUK
arc·sec·ond A5431520 (ärk′sĕk′ənd)n. See second1.Thesaurus| Noun | 1. | arcsecond - a 60th part of a minute of arc; "the treasure is 2 minutes and 45 seconds south of here"secondangular unit - a unit of measurement for anglesarcminute, minute of arc, minute - a unit of angular distance equal to a 60th of a degree |
EncyclopediaSeeminute of arcarcsecondenUK
Synonyms for arcsecondnoun a 60th part of a minute of arcSynonymsRelated Words- angular unit
- arcminute
- minute of arc
- minute
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