Tra từ alluvial sediment - Từ điển WordNet v3.1

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Từ điển WordNet v3.1 - WordNet Dictionary

alluvial sediment

noun

clay or silt or gravel carried by rushing streams and deposited where the stream slows down
• Syn:
alluvial deposit, alluvium, alluvion
• Derivationally related forms:
alluvial (for: alluvium)
• Hypernyms:
sediment, deposit
• Hyponyms:
delta, placer
• Substance Meronyms:
alluvial soil