antarctic circle

Thân thiện

The ship sails across the Antarctic Circle.

Definition

1. Proper noun:
   • A line of latitude: The Antarctic Circle is one of the five major circles of latitude marked on maps of the Earth. It is the parallel of latitude located at approximately 66°33′49.9″ south of the Equator.

Usage

• The Antarctic Circle is used to denote the southernmost region where, on the December solstice, the sun remains at or above the horizon for a full 24 hours (midnight sun), and on the June solstice, the sun remains at or below the horizon for a full 24 hours (polar night).
• It is a geographical boundary used in contexts discussing climate, astronomy, and exploration.

Examples

Advanced Usage

• "South of the Antarctic Circle": This phrase describes the region between the circle and the South Pole, known as the Antarctic region.
  • The research station is located south of the Antarctic Circle.

Variants and Related Words

• Antarctic (adjective): Of or relating to the region south of the Antarctic Circle, especially the continent of Antarctica.
  • antarctic climate, antarctic exploration
• Antarctica (proper noun): The continent located within the Antarctic Circle.
• Arctic Circle (proper noun): The corresponding line of latitude in the Northern Hemisphere.

Synonyms

• Southern polar circle: A less common synonym.
• 66°33′S: The coordinate specification.

Related Phrases

• Circle of latitude: A general term for any line of latitude, of which the Antarctic Circle is one.
• Polar circle: A term that can refer to either the Antarctic Circle or the Arctic Circle.

Học thuật

Noun

1. a line of latitude north of the south pole

Từ đồng nghĩa

• antarctic circle