arcsecond
English
Etymology
arc + second
Noun
arcsecond (plural arcseconds)
- A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree.
Synonyms
- second of arc
- as (symbol)
- arcsec (abbreviation)
Derived terms
- milliarcsecond
Related terms
- arcminute
Translations
second of arc — see second of arc