Pacific Plate

[ puh-sif-ik pleyt ]

  1. one of the major tectonic divisions of the earth's crust, comprising four seafloor basins: separated from the Nazca, Cocos, North American, and South American Plates by the East Pacific Rise and San Andreas Fault and bounded in the western Pacific Ocean by a series of major ocean deeps, including the Kuril, Japan, Mariana, Kermadec, and Tonga Trenches.

Origin of Pacific Plate

First recorded in 1960–65

Words Nearby Pacific Plate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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