vertical circle

noun

A great circle on the celestial sphere, perpendicular to the horizon, that passes through the zenith and nadir

Meanings

nounvertical circle (plural vertical circles)

plural vertical circles

  1. astronomyA great circle on the celestial sphere, perpendicular to the horizon, that passes through the zenith and nadir
Cite this entry
APA

vertical circle. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/vertical%20circle

MLA

“vertical circle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/vertical%20circle. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “vertical circle,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/vertical%20circle.

Source: vertical circle on Wiktionary, CC BY-SA 4.0.