1 Astronomy (of planetary motion) proceeding from west to east; direct.The opposite of retrograde.
2 Geology (of a metamorphic change) resulting from an increase in temperature or pressure.
verb
[no object] Geology
(of a coastline) advance towards the sea as a result of the accumulation of waterborne sediment:these oolites were probably deposited as part of the coastal sand-barrier complex as it prograded basinwards
Derivatives
progradation
noun
Origin:
early 20th century (as a verb): from pro-1 'forwards' + retrograde
prograde in other Oxford dictionaries
Definition of prograde in the US English dictionary
