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Antarctic Plate
[ ant-ahrk-tik pleyt, -ahr-tik ]
noun
, Geology.
- a major tectonic division of the earth's crust, comprising Antarctica and adjacent ocean basins (the South Indian, Southeast Pacific, and Atlantic-Indian Basins) and bounded on the north by the Nazca, South American, African, Indo-Australian, and Pacific Plates.
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Word History and Origins
Origin of Antarctic Plate1
First recorded in 1930–35
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