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.
A river delta is the structure at the mouth of a river that is formed by silt as the river reaches the ocean (or other large body of water). Here the water from the river slows considerably and the silt it is carrying begins to fall away.slide 1 of 6. river delta is the structure at the mouth of a river that is formed by silt as the river reaches the ocean (or other large body of water). Here the water from the river slows considerably and the silt it is carrying begins to fall away. slide 1 of 6.