Definition

1. Proper noun:
   • The southernmost point of the Earth's axis: The South Pole is the point in the Southern Hemisphere where the Earth's axis of rotation meets its surface. It is the southernmost point on Earth, located on the continent of Antarctica.

Usage Examples

• Proper noun:
  • Explorers like Roald Amundsen risked their lives to reach the South Pole.
  • The geographic South Pole is marked by a ceremonial stake and a sign.
  • Temperatures at the South Pole can drop below -80°C (-112°F).

Advanced Usage

• "the South Pole of inaccessibility": Refers to the point in Antarctica that is hardest to reach from the coastline, a different location from the geographic South Pole.

  • The Soviet Union established a research station at the South Pole of inaccessibility in 1958.

• "celestial South Pole": The point in the sky directly above the Earth's South Pole, around which the southern stars appear to rotate.

  • The Southern Cross constellation is a useful guide for locating the celestial South Pole.

Variants and Related Words

• South Polar (adjective): Of or relating to the South Pole or the region around it.

  • The south polar ice cap is a massive sheet of ice.

• Antarctic (adjective): Pertaining to the region surrounding the South Pole.

  • The Antarctic Treaty governs international relations on the continent.

Synonyms

• Geographic South Pole: The precise point defined by the Earth's axis.
• Terrestrial South Pole: Another term for the geographic South Pole, distinguishing it from the magnetic or celestial poles.

Related Phrases

• "magnetic south pole": The point on the Earth's surface where the geomagnetic field lines are directed vertically upwards. It is a different, moving location distinct from the geographic South Pole.

  • A compass needle points toward the magnetic south pole.

• "south magnetic pole": Another term for the magnetic south pole.

  • The south magnetic pole is currently located off the coast of Antarctica.

Related Idioms

• "Poles apart": (While not exclusive to the South Pole) This idiom means to be completely opposite or in extreme disagreement, deriving from the idea of the North and South Poles being at opposite ends of the Earth.
  • Their political views are poles apart.

Noun

1. the southernmost point of the Earth's axis