Library / English Dictionary |
ARCSECOND
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
A 60th part of a minute of arc
Example:
the treasure is 2 minutes and 45 seconds south of here
Synonyms:
arcsecond; second
Classified under:
Nouns denoting quantities and units of measure
Hypernyms ("arcsecond" is a kind of...):
angular unit (a unit of measurement for angles)
Holonyms ("arcsecond" is a part of...):
arcminute; minute; minute of arc (a unit of angular distance equal to a 60th of a degree)