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Definition of alluvium noun from the Oxford Advanced Learner's Dictionary

alluvium

noun
 
/əˈluːviəm/
 
/əˈluːviəm/
[uncountable] (geology)
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  1. sand and earth that is left by rivers or floods
    Word Originmid 17th cent.: Latin, neuter of alluvius ‘washed against’, from ad- ‘towards’ + luere ‘to wash’.
See alluvium in the Oxford Advanced American Dictionary
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influence
verb
 
 
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