Question

meaning of less silt

Answer 1

loose sedimentary material with rock particles usually ¹/₂₀ millimeter orless in diameter also : soil containing 80 percent or more of such silt andless than 12 percent of clay. 2 : a deposit of sediment (as by a river) silt. verb. silted; silting; silts

Answer 2

 : loose sedimentary material with rock particles usually ¹/₂₀ millimeter or less in diameter also : soil containing 80 percent or more of such silt and less than 12 percent of clay. 2 : a deposit ofsediment (as by a river) silt. verb. silted; silting; silts.