单词 | alluvium |
释义 | alluvium (once / 18411 pages) n WORD FAMILY alluvium: alluvia, alluviums USAGE EXAMPLES“In a way, the flood is a blessing as fresh silt and alluvium deposits increase the productivity of the forest undergrowth,” Das tells the Hindu. National Geographic(Aug 02, 2016) Matter deposited by an inundation or the action of flowing water; alluvium. Webster, Noah, Webster's Unabridged Dictionary(2012) Black loamy alluvium and valley gravels, the most recent deposits, occur in the valleys of the Ouse and Nene. Various, Encyclopaedia Britannica, 11th Edit...(2012) n clay or silt or gravel carried by rushing streams and deposited where the stream slows down Syn|Hypo|Hyper alluvial deposit, alluvial sediment, alluvion delta a low triangular area of alluvial deposits where a river divides before entering a larger body of water placeran alluvial deposit that contains particles of some valuable mineral deposit, sediment matter that has been deposited by some natural process |
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