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.
delta(Noun) The fourth letter of the modern Greek alphabet u0394, u03B4. delta(Noun) A landform at the mouth of a river where it empties into a body of water. delta(Noun) The letter D in the ICAO spelling alphabet, which assigns words to letters of the alphabet.