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alluvial sediment, alluvial deposit, alluvium, alluvion | clay or silt or gravel carried by rushing streams and deposited where the stream slows down | |
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alluvion | gradual formation of new land, by recession of the sea or deposit of sediment | |
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flood, inundation, alluvion, deluge | the rising of a body of water and its overflowing onto normally dry land |