ARCSECOND

Pronunciation (US):

(GB):

 Dictionary entry overview: What does arcsecond mean? 

• ARCSECOND (noun)
  The noun ARCSECOND has 1 sense:

1. a 60th part of a minute of arc

  Familiarity information: ARCSECOND used as a noun is very rare.

 Dictionary entry details 

• ARCSECOND (noun)

Sense 1

Meaning:

A 60th part of a minute of arc

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

arcsecond; second

Context example:

the treasure is 2 minutes and 45 seconds south of here

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)