1) American soft drink 
dnL was the name of a soft drink produced by Cadbury Schweppes Americas Beverages in the United States. It was part of the 7 Up family of soft drinks, and it was introduced in September 2002. It was launched in the same year as other attempts to extend soft drink brand names with new iterations, including Pepsi Blue, Dr. Pepper Red Fusion and Vani...
Day-- Night Equivalent Sound Level (Also called Ldn)