Drainage basin: The area drained by a river and its tributaries. A drainage basin is considered to be an open system because water can be added or lost from a drainage basin.
Noun. 1. milk whey-the serum or watery part of milk that is separated from the curd in making cheese. whey. blood serum, serum-an amber, watery fluid, rich in proteins, that separates out when blood coagulates. 1  Facebook. 2  Twitter.
Whey protein is a high quality protein that is derived from milk. It provides all of the essential amino acids that the body needs to support lean muscle and strength when used with a balanced diet and exercise plan. Pure Protein offers several protein powders that are high in whey protein. Whey protein can also be found in Pure Protein bars as well as shakes. Many of the shakes provide milk protein, which is a natural source of whey as well as casein â the two major protein components of milk.