Antarctic Peninsula

American  

noun

1. a peninsula in western Antarctica, south of South America.

---

Antarctic Peninsula British  

noun

1. Former name (until 1964): Palmer Peninsula.  the largest peninsula of Antarctica, between the Weddell Sea and the Pacific: consists of Graham Land in the north and the Palmer Peninsula in the south

---

Example Sentences

A glacier on the Eastern Antarctic Peninsula has undergone the quickest ice loss documented in modern times, according to a major international study co-authored by Swansea University.

From Science Daily • Nov. 14, 2025

The case began way back in 2002 with the extraordinary collapse of an ice shelf called Larsen B in the eastern Antarctic Peninsula.

From BBC • Nov. 3, 2025

“Even on the Antarctic Peninsula — this most extreme, remote and isolated ‘wilderness’ region — the landscape is changing, and these effects are visible from space.”

From Salon • Oct. 19, 2024

It also turned up on the South Georgia islands, about 1500 kilometers from the Antarctic Peninsula.

From Science Magazine • Mar. 18, 2024

Only twenty miles long and thirteen miles wide, it lies at the farthest tip of the Antarctic Peninsula.

From "Shipwreck at the Bottom of the World" by Jennifer Armstrong