dipole fielddipperdipper dredgedipper stickdippingdipping quenchingdipping roddipteradipteridaceadipyramid or bipyramid or bipyramiddipyramidaldipyredipyrite or dipyre or dipyredirect accessdirect angledirect latticedirect runoffdirect runoff hydrographdirect shear test or direct shear or direct sheardirect stratificationdirect surface runoff or runoff or runoffdirect tidedirection of a beddirectionaldirectional load castdirectional logdirectional structuredirective coupledirectivity graphdirectorydirichlet’s problem or dirichlet or dirichletdirt banddirt band ogivedirt beddirt conedirt slipdirty sanddirty sandstonedisaccate or bivesiculate or bivesiculatedisaggregationdisappearing streamdiscdisc filterdiscal celldischargedischarge areadischarge coefficientdischarge duration curvedischarge flowdischarge hydrograph
