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Antarctic Circle

noun
1.
an imaginary line drawn parallel to the equator, at 23° 28prime; N of the South Pole: between the South Frigid Zone and the South Temperate Zone.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for Antarctic Circle

Antarctic Circle

noun
1.
the imaginary circle around the earth, parallel to the equator, at latitude 66° 32′ S; it marks the southernmost point at which the sun appears above the level of the horizon at the winter solstice
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
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Antarctic Circle in Science
Antarctic Circle
  (ānt-ärk'tĭk)   
The parallel of latitude approximately 66°33' south. It forms the boundary between the South Temperate and South Frigid zones.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Antarctic Circle in Culture

Antarctic Circle definition


An imaginary circle around the Earth about three-quarters of the way from the equator to the South Pole.

Note: The Antarctic Circle corresponds to the Arctic Circle in the Northern Hemisphere.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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