Englishaccretionary wedgenounMeaningThe 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.Related wordsice wedge(English)obduction(English)accretion shock(English)outwash(English)continental slope(English)slab(English)slab pull(English)cover sand(English)SourcesDictionaryAPI.dev English dictionary data
