(cosmogony) a regime of accretion of material in a protoplanetary disk where only the most massive objects can continue to grow

Of, pertaining to, or in the form of an accretion

(geology) The accumulation of surface sediment formed between a subducting oceanic crustal plate and a continental tectonic plate, as it is scraped from off the top of the oceanic crustal plate.

Synonym of accretionary wedge

plural of accretionary prism

plural of accretionary wedge

In an accretionary manner

By accretion.