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- (control theory) A technique for designing stabilizing controls for a special recursive class of nonlinear dynamical systems.
- (geology) A gradual backward movement of organisms or a sedimentary environment caused by changes in environmental factors.
- 2009 April 16, Andrew C. Revkin, “Coral Fossils Suggest That Sea Level Can Rise Rapidly”, in New York Times:
- Once the sea level stabilized again, the same group of corals grew once more, but farther inshore and up to 10 feet higher in elevation, a process known to geologists as backstepping.