LOESS
- a soil deposit [n LOESSES] : LOESSAL [adj], LOESSIAL [adj], LOESSIC [adj]
- loamy deposit formed by wind, usually yellowish and calcareous, common in the Mississippi Valley and in Europe and Asia
- an unstratified usually buff to yellowish brown loamy deposit found in North America, Europe, and Asia and believed to be chiefly deposited by the wind