noun🔗ShareA deposition of sediment over a long period of time by a river; an alluvial layer."The fertile valley floor consists of rich alluvial, perfect for growing crops. "geologyenvironmentgeographyChat with AIVocabulary GamePractice Reading
noun🔗ShareAlluvial soil; specifically, in Australia, gold-bearing alluvial soil."After the heavy rains, prospectors searched the riverbed for alluvial, hoping to find traces of gold. "geologygeographyagricultureenvironmentChat with AIVocabulary GamePractice Reading
adjective🔗SharePertaining to the soil deposited by a stream."The farmer planted his crops in the rich alluvial soil along the riverbank. "geologyenvironmentgeographyagricultureChat with AIVocabulary GamePractice Reading
