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-hyperbolic functions
  2. arc-lamp
  3. arc-lamps
  4. arc-over
  5. arc-overs
  6. arc-second
  7. arc-seconds
  8. ARCA
  9. arcade
  10. arcade adventure
  11. arcade adventures

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.