ant-arctic circle

Antarctic Circle

noun
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.
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World English Dictionary
Antarctic Circle
 
n
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 10th Edition
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American Heritage
Science Dictionary
Antarctic Circle   (ānt-ärk'tĭk)  Pronunciation Key 
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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American Heritage
Cultural Dictionary

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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