Definition

Proper noun: * Palmer Peninsula: A large, mountainous peninsula of Antarctica that extends approximately 1,200 miles (1,900 km) northward toward the southern tip of South America. It forms a physical separation between the Weddell Sea to the east and the Bellingshausen Sea (part of the South Pacific Ocean) to the west.

Usage Notes

• "Palmer Peninsula" is an older name for this geographical feature. In modern international usage, it is almost universally known as the Antarctic Peninsula. The name "Palmer Peninsula" is primarily used in historical contexts or in the United States.
• As a proper noun, it is always capitalized.

Examples

• The northern tip of the Palmer Peninsula is the warmest and most accessible part of Antarctica.
• Early explorers faced treacherous conditions while mapping the coast of the Palmer Peninsula.
• Several research stations are located along the Palmer Peninsula.

Advanced Usage

• The peninsula is named after the American sealer Nathaniel B. Palmer, who is credited with sighting it in 1820.
• The naming of this landmass has been subject to historical dispute, with the United Kingdom referring to it as "Graham Land" and Argentina as "Tierra de San Martín." The overarching name "Antarctic Peninsula" is now the accepted standard to avoid national bias.

Variants and Related Words

• Antarctic Peninsula (n): The modern, internationally recognized name for the Palmer Peninsula.
• Graham Land (n): The name used by the United Kingdom for the northern portion of the peninsula.
• Tierra de San Martín (n): The name used by Argentina for the peninsula.
• The Peninsula (n): An informal shorthand used by scientists and personnel working in the region, referring to the Antarctic/Palmer Peninsula.

Synonyms

• Antarctic Peninsula

Related Geographical Terms

• Weddell Sea: The body of water east of the Palmer Peninsula.
• Bellingshausen Sea: The body of water west of the Palmer Peninsula.
• Drake Passage: The sea passage between the tip of the Palmer Peninsula and South America.
• Trinity Peninsula: The extreme northern tip of the Palmer Peninsula.

Noun

1. a large peninsula of Antarctica that extends some 1200 miles north toward South America; separates the Weddell Sea from the South Pacific