Here, according to Dr. Rabovsky, are eight causes of a metallic taste in your mouth. Poor oral hygiene â If you donât brush and floss regularly, the result can be teeth and gum problems such as gingivitis, periodontitis and tooth infection. These infections can be cleared up with a prescription from your dentist.
Noun. 1. delta-a low triangular area of alluvial deposits where a river divides before entering a larger body of water; the Mississippi River delta; the Nile delta. alluvial deposit, alluvial sediment, alluvium, alluvion-clay or silt or gravel carried by rushing streams and deposited where the stream slows down.
Often at the mouth, a delta forms. A delta is a landform that forms at the mouth of a river because the river carries sediment along with the water as the river flows through its banks. The river water deposits this sediment together when it flows into the larger body of water and forms land. A delta is often shaped like a triangle.