- around or near a pole, as of the earth.
Origin of circumpolar
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for circumpolar
This is not, like Ursa Major, or like Cassiopeia, said to be "circumpolar."The Story of the Heavens
Robert Stawell Ball
In Miocene times they were abundant, and of many species in circumpolar regions.Evolution
Joseph Le Conte
"They are the highest mountains in the circumpolar regions," replied Barbican.All Around the Moon
Cassiopeias chaire, a circumpolar constellation having a fancied resemblance to a chair.Spenser's The Faerie Queene, Book I
As regards the Arctic and Antarctic regions, the continuity or circumpolar distribution of the shore fishes is well established.
- (of a star or constellation) visible above the horizon at all times at a specified locality on the earth's surface
- surrounding or located at or near either of the earth's poles
Word Origin and History for circumpolar
Online Etymology Dictionary, © 2010 Douglas Harper
- Located or found in one of Earth's polar regions.
- Denoting a star that from a given observer's latitude does not go below the horizon during its diurnal motion. The closer an observer is to one of the poles, the greater the portion of the sky that contains circumpolar stars. At the pole itself, all stars are circumpolar.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.