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.

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

Antarctic Circle

/ ănt-ärk′tĭk /

1. The parallel of latitude approximately 66°33′ south. It forms the boundary between the South Temperate and South Frigid zones.

Antarctic Circle

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

Notes

The Antarctic Circle corresponds to the Arctic Circle in the Northern Hemisphere .

Example Sentences

It occurs in winter north of the Arctic Circle and south of the Antarctic Circle, which are circumpolar lines at latitude 66.6 degrees North and South respectively.

From National Geographic

Earth rotates on a titled axis which means there are periods of the year where the Arctic Circle and the Antarctic Circle are either completely exposed or obscured from the sun.

From BBC

They were still 600 miles from the nearest coastline and hadn’t even crossed the Antarctic Circle.

From Literature

Though the vessel shares a name with the first ship to cross the Antarctic Circle, captained by James Cook just under 250 years ago, it’s very unlike the original Resolution.

From Washington Post

As Australia was much further south 110m years ago, these Victorian dinosaurs would have been living within the Antarctic Circle.

From The Guardian