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subduction
1. The action of subduing or fact of being subdued; subjection.
2. A geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate.
Word Entries at Get Words: “subduction
subduction
The downward movement of one crustal plate beneath another, typically occurring within the deep ocean trenches.
This entry is located in the following unit: Ocean and Deep Sea Terms (page 5)