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Meaning of ARCSECOND
WordNet Dictionary
Definition:
[n]
a
60
th
part
of
a
minute
of
arc
; "
the
treasure
is
2
minutes
and
45
seconds
south
of
here
"
Websites:
Synonyms:
second
See Also:
angular unit
,
arcminute
,
minute
,
minute of arc
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