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.
Webster Dictionary(0.00 / 0 votes)Rate this definition: Delta(noun) a tract of land shaped like the letter delta (/), especially when the land is alluvial and inclosed between two or more mouths of a river; as, the delta of the Ganges, of the Nile, or of the Mississippi. Origin: [Gr. de`lta, the name of the fourth letter of the Greek alphabet (the capital form of which is , Eng.