What is the meaning of vertical circle?

noun

  • A great circle on the celestial sphere passing through the zenith and perpendicular to the horizon. .
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APAWordNet. (2010). vertical circle. Retrieved September 21, 2026, from http://smartdefine.org/vertical_circle/definitions/1224566
ChicagoWordNet. 2010. "vertical circle" http://smartdefine.org/vertical_circle/definitions/1224566 (accessed September 21, 2026).
HarvardWordNet 2010, vertical circle, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/vertical_circle/definitions/1224566>.
MLAWordNet. "vertical circle" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/vertical_circle/definitions/1224566>