a great circle on the celestial sphere passing through the zenith.
🈹 Circled Ideograph Congratulation Emoji - Emoji by Dictionary.comRead more in this article about some frequently asked questions and fun facts related to our definitions.
Origin of vertical circle
First recorded in 1550–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for vertical circle
astronomy a great circle on the celestial sphere passing through the zenith and perpendicular to the horizon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for vertical circle
A great circle on the celestial sphere that passes through the zenith and the nadir and thus is perpendicular to the horizon.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.