| 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. |
Antarctic Circle  (click for larger image in new window) The parallel of latitude approximately 66°33' south. It forms the boundary between the South Temperate and South Frigid zones. |
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.
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. |