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Sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans
Answer for the clue "Sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans ", 8 letters:
sapropel
Word definitions for sapropel in dictionaries
Wikipedia
Word definitions in Wikipedia
Sapropel (a contraction of ancient Greek words sapros and pelos , meaning putrefaction and mud, respectively) is a term used in marine geology to describe dark-coloured sediments that are rich in organic matter . Organic carbon concentrations in sapropels ...
Wiktionary
Word definitions in Wiktionary
n. (context geology English) An aquatic sludge-like sediment rich in organic matter formed in oxygen-free areas at the bottom of lakes, seas etc.
WordNet
Word definitions in WordNet
n. sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans