noun🔗ShareAlluvions, limonSoil, clay, silt or gravel deposited by flowing water, as it slows, in a river bed, delta, estuary or flood plain"The fertile farmland near the river is made up of rich alluvium deposited over centuries. "Les terres agricoles fertiles près de la rivière sont composées d'alluvions riches déposées au cours des siècles.geologyenvironmentgeographyagriculturematerialChat with AIVocabulary GamePractice Reading