Try Our Apps
Dictionary.com

follow Dictionary.com

The Best Internet Slang

vertical circle

noun, Astronomy.
1.
a great circle on the celestial sphere passing through the zenith.
Origin of vertical circle
1550-1560
First recorded in 1550-60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for vertical circle
Historical Examples
  • A vertical circle is any great circle that passes through the zenith.

    A Text-Book of Astronomy George C. Comstock
  • Reflection from an excess of horizontal prisms gives rise to a vertical circle passing through the sun.

  • The altitude of a celestial object is its distance above the horizon measured on the arc of a vertical circle.

  • The Azimuth of a star is the angle between the meridian and the vertical circle passing through the star.

    A Text-Book of Astronomy George C. Comstock
  • The meridian is that vertical circle which passes through the north and south points.

    Letters on Astronomy Denison Olmsted
  • The prime vertical is that vertical circle which passes through the east and west points.

    Letters on Astronomy Denison Olmsted
  • The altitude of a body is its elevation above the horizon, measured on a vertical circle.

    Letters on Astronomy Denison Olmsted
  • The azimuth of a body is its distance, measured on the horizon, from the meridian to a vertical circle passing through that body.

    Letters on Astronomy Denison Olmsted
  • The amplitude of a body is its distance, on the horizon, from the prime vertical to a vertical circle passing through the body.

    Letters on Astronomy Denison Olmsted
  • The zenith distance of a body is measured on a vertical circle passing through that body.

    Letters on Astronomy Denison Olmsted
British Dictionary definitions for vertical circle

vertical circle

noun
1.
(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
Cite This Source
vertical circle in Science
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 © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for vertical circle

Few English speakers likely know this word

Word Value for vertical

13
16
Scrabble Words With Friends

Nearby words for vertical circle