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prograde ‎(comparative more prograde, superlative most prograde)

  1. (astronomy) Describing motion in a forward direction, especially with respect to other bodies in the same system.
  2. (geology) Describing a metamorphic change resulting from a higher pressure or temperature.




prograde ‎(third-person singular simple present progrades, present participle prograding, simple past and past participle prograded)

  1. (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.

Related terms[edit]