Words Like ARCSECOND

We have put together a list of words that are similar to ARCSECOND.

1 Alternative Words Similar to arcsecond

1 Second Noun      Synonym Words Like Second

2 definitions of arcsecond

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