arcsecond

A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree.

Noun

  1. A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree.

Origin

From arc + second.

Forms

arcseconds

Synonyms

second of arc as arcsec

Related

arcminute

Derived

microarcsecond milliarcsecond subarcsecond

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