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Pacific Antarctic Ridge
[ puh-sif-ik ant-ahrk-tik rij, -ahr-tik ]
noun
- a west-southwest elevation of the seafloor in the South Pacific Ocean, separating the Pacific Plate from the Antarctic Plate: sometimes considered the southern portion of the East Pacific Rise. : PAR
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Word History and Origins
Origin of Pacific Antarctic Ridge1
First recorded in 1955–60
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