Meanings
noun
- pluralplural of arc second
Cite this entry
APA
arc seconds. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/arc%20seconds
MLA
“arc seconds.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/arc%20seconds. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “arc seconds,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/arc%20seconds.
Source: arc seconds on Wiktionary, CC BY-SA 4.0.