continent name attributed to Scottish cartographer John George Bartholomew, who used it on a map published in 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 compare antipodes.

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Definitions of Antarctica from WordNet

Antarctica (n.)
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;
Synonyms: Antarctic continent