The process of sinking or moving downward, especially in geology where land subsides or drops relative to surrounding areas.
From 'down' plus 'sink' (from Old English 'sincan', to sink or submerge) plus '-ing' suffix. Geological term used to describe tectonic or depositional processes.
Geologists love 'downsinking'—it describes how sedimentary basins form when the earth's crust gradually subsides over millions of years, allowing water and sediment to accumulate into thick layers.
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