Word.ws English Dictionary

arc second

arc second is the alternative form of arcsecond.

Meaning of arcsecond

Noun

arcsecond (plural arcseconds)

  1. A unit of angle; 1/60th of an arcminute, or 1/3600th of a degree.
    Synonyms:
    second of arc, as, arcsec

Forms of arc second

pluralarc seconds

Questions about arc second

What is arc second the alternative form of?
Arc second is the alternative form of arcsecond.

Words near arc second in the dictionary

  1. arc minutes
  2. arc of history
  3. arc resistance
  4. arc secant
  5. arc secants
  6. arc second
  7. arc seconds
  8. arc spring
  9. arc springs
  10. arc transmitter
  11. arc transmitters

Source and license

Adapted from Wiktionary: arc second (page history and authors); arcsecond (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: “arc second.” Word.ws, https://word.ws/arc_second. Based on Wiktionary, CC BY-SA 4.0.