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English definition of “sediment”

sediment

noun     /ˈsed.ɪ.mənt/
[C or U] a soft substance that is like a wet powder and consists of very small pieces of a solid material that have fallen to the bottom of a liquid : There was a brown sediment in the bottom of the bottle .Things remaining sediments [plural] sand , stones , etc. that slowly form a layer of rock : It is hoped that the oil slick will sink to the seabed where it would be covered within a few years by sediments and eventually decompose .Soil sedimentation     /ˌsed.ɪ.menˈteɪ.ʃən/ noun [U] SoilPhysical and chemical processes
(Definition of sediment noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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