Word.ws English Dictionary

seconds of arc

seconds of arc is the plural of second of arc.

Meaning of second of arc

Noun

second of arc (plural seconds of arc)

  1. An angle, one sixtieth (1/60th) of a minute of arc or one 3600th of a degree.
    Synonyms:
    arcsecond, arcsec, as

Questions about seconds of arc

What is seconds of arc the plural of?
Seconds of arc is the plural of second of arc.

Words near seconds of arc in the dictionary

  1. secondness
  2. secondo
  3. secondos
  4. seconds
  5. seconds in command
  6. seconds of arc
  7. seconds-in-command
  8. secondsighted
  9. secondslong
  10. secondspace
  11. secondth

Source and license

Adapted from Wiktionary: seconds of arc (page history and authors); second of arc (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “seconds of arc.” Word.ws, https://word.ws/seconds_of_arc. Based on Wiktionary, CC BY-SA 4.0.