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washing | |||
sludge 1. A soft, soupy, or muddy bottom deposit, such as found on tideland or in a stream bed. 2. A semifluid, slushy, murky mass of sediment resulting from treatment of water, sewage, or industrial and mining wastes, and often appearing as local bottom deposits in polluted bodies of water; silting up; slurry | |||
accretion by alluvion; alluvial accretion of land on the banks of a river | |||
sludge |