arcsecond en · NOUN
Pronunciation
- (US) audio
Etymology
From arc + second.
Meanings
- A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| arcseconds | Number=Plur | lexicographic |
Deriveds
milliarcsecond · subarcsecond · microarcsecond
Relateds
Synonyms
arcsec · second of arc · as