seconds of arc

A form of second of arc — An angle, one sixtieth (1/60th) of a minute of arc or one 3600th of a degree.

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Meanings

noun
  1. pluralplural of second of arc
Cite this entry
APA

seconds of arc. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/seconds%20of%20arc

MLA

“seconds of arc.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/seconds%20of%20arc. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “seconds of arc,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/seconds%20of%20arc.

Source: seconds of arc on Wiktionary, CC BY-SA 4.0.