- (astronomy) Describing motion in a forward direction, especially with respect to other bodies in the same system.
- (geology) Describing a metamorphic change resulting from a higher pressure or temperature.
- (geology) Of sediment, to build out seawards in conditions of marine regression.
1992, R.H Workum & A.S. Hedinger, Geological Survey of Canada, Open File 2509, page 41:
- In some localities the bank margins of several cycles are stacked above each other, in other places they backstep or prograde relative to each other.