Is it ensure, insure, or assure?
continent name attributed to Scottish cartographer John George Bartholomew (1860-1920), who used it on a map published 1887. From antarctic (q.v.). Hypothetical southern continents had been imagined since antiquity; first sighting of Antarctica by Europeans probably was 1820 (Lazarev and Bellingshausen). Also cf. Antipodes.
Note: Antarctica is characterized by extremely low temperatures.
Note: In 1911, Roald Amundsen became the first explorer to reach the South Pole, followed shortly thereafter by Robert Scott.