alluvion1. the gradual depositing by a river of earth and other material on the banks.
2. also called alluvium. the material deposited.
fluviation1. the formation of rivers.
2. a river system.
lutulenceObsolete, the state or condition of being muddy or turbid. —lutulent, adj.nilometer
an instrument used for measuring the increase in the level of the River Nile during its flood period, consisting of a water chamber containing a graduated pillar. Also niloscope.
the study of rivers. —potamologist, n. —potamological, adj.potamophobia
a morbid fear of rivers.
a dweller on the bank of a river. —riparian, adj.
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The largest of the rivers through which Argentina drains into the Plata system are the Pilcomayo, which rises in Bolivia and flows south-east along the Argentine frontier for about 400 m.; the Bermejo, which rises on the northern frontier and flows south-east into the Paraguay; and the Salado del Norte (called Rio del Juramento in its upper course), which rises on the high mountain slopes of western Salta and flows south-east into the Parana.
He waded rivers and climbed mountains.
The ground to the right--along the course of the Kolocha and Moskva rivers--was broken and hilly.
Of Lake Tsana, unites its waters with a number of other rivers which also rise in the Abyssinian highlands, and flows north-west Boo m.