Key definitions of the Arctic region are based on the Arctic Circle, temperatures, the Arctic tree line, and political and cultural surroundings. Definition of arctic circle in the Definitions.net dictionary. This is the parallel of latitude that (in 2000) runs 66.56083 degrees north of the Equator. What does arctic circle mean? Arctic Circle synonyms, Arctic Circle pronunciation, Arctic Circle translation, English dictionary definition of Arctic Circle. This fluctuation is present because of tidal forces resulting from the orbit of the moon. The Arctic Circle is one of the five major circles of latitude that mark maps of the Earth. Meaning of arctic circle. What does arctic circle mean? Arctic Circle Definition: The Arctic Circle is the invisible circle of latitude on the earth's surface at 66°33' north, marking the southern limit of the area where the sun does not rise on the winter solstice or set on the summer solstice - a geographic ring crowning the globe. The Earth’s axial tilt fluctuates within 2 degrees over a 40,000 year period. Arctic Circle definition: The Arctic Circle is an imaginary line drawn around the northern part of the world at... | Meaning, pronunciation, translations and examples Experts define the Arctic region as the area above the Arctic Circle, which is an imaginary line circling the globe at 66° 34' N of the Equator. Information and translations of arctic circle in the most comprehensive dictionary definitions resource on the web. Meaning of arctic circle. the Arctic Circle definition: 1. an imaginary line around the earth at approximately 70° north 2. an imaginary line around the…. But other people use different definitions when talking about the Arctic. It is approximately 1,650 miles from the North Pole. Arctic Circle. As a result, the Arctic Circle … The Arctic Circle’s latitude depends on the Earth’s axial tilt, which means it’s position is not fixed. Definition of arctic circle in the Definitions.net dictionary. Learn more. Information and translations of arctic circle in the most comprehensive dictionary definitions resource on the web. The Arctic Circle is one of the five major circles of latitude that mark maps of the Earth.For Epoch 2012, it is the parallel of latitude that runs 66° 33′ 44″ (or 66.5622°)  north of the Equator.. Arctic Circle definition: [alsoa- c-] an imaginary circle parallel to the equator, c. 66°34? At lower latitudes, but north of the Arctic Circle, the duration of continuous day and night are shorter. As used in this chapter, the term “Arctic” means all United States and foreign territory north of the Arctic Circle and all United States territory north and west of the boundary formed by the Porcupine, Yukon, and Kuskokwim Rivers; all contiguous seas, including the Arctic Ocean and the Beaufort, Bering, and Chukchi Seas; and the Aleutian chain.
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