Definition

1. Proper noun:
   • A continent: Antarctica is the Earth's southernmost continent, located almost entirely south of the Antarctic Circle. It is the coldest, driest, and windiest continent, and is primarily covered by a vast ice sheet.

Usage

• Proper noun: As a proper noun, "Antarctica" is always capitalized. It is used to refer to the continent as a specific geographical and political entity. It typically does not take a definite article ("the") when used alone, though it is part of the phrase "the Antarctic continent."
  • Scientists study climate change in Antarctica.
  • The treaty designates Antarctica as a continent dedicated to peace and science.

Examples

Advanced Usage

• "The Antarctic": This phrase is often used interchangeably with "Antarctica" to refer to the region, but it can have a broader meaning encompassing the Southern Ocean and its islands.
  • Research vessels sail into the Antarctic every summer.

Variants and Related Words

• Antarctic (adjective): Of or relating to the south polar region or Antarctica.

  • The Antarctic Treaty
  • antarctic temperatures

• Antarctic Circle (proper noun): The line of latitude at approximately 66.5° south, marking the northern boundary of the area that experiences at least one 24-hour period of daylight and one of darkness each year.

Synonyms

• The Frozen Continent: A descriptive synonym emphasizing its ice cover.
• The South Polar Continent: A geographical synonym specifying its location.

Related Phrases

• Antarctic Peninsula: The northernmost part of the mainland of Antarctica.
• East Antarctica / West Antarctica: The two major regions of the continent, divided by the Transantarctic Mountains.

Noun

1. an extremely cold continent at the south pole almost entirely below the Antarctic Circle; covered by an ice cap up to 13,000 feet deep
   • Antarctica is twice the size of Australia