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.
River delta. A river delta is a landform that is formed at the mouth of a river, where the river flows into an ocean, sea, estuary, lake, or reservoir.Deltas are formed from the deposition of the sediment carried by the river as the flow leaves the mouth of the river.iver delta. A river delta is a landform that is formed at the mouth of a river, where the river flows into an ocean, sea, estuary, lake, or reservoir.