Medical Definition of DUCK. : any of various swimming birds (family Anatidae, the duck family) in which the neck and legs are short, the feet typically webbed, the bill often broad and flat, and the sexes usually different from each other in plumage.edical Definition of DUCK. : any of various swimming birds (family Anatidae, the duck family) in which the neck and legs are short, the feet typically webbed, the bill often broad and flat, and the sexes usually different from each other in plumage.
GDP Growth Rate in the United States averaged 3.25 percent from 1947 until 2015, reaching an all time high of 16.90 percent in the first quarter of 1950 and a record low of -10 percent in the first quarter of 1958.
What is the GDP Growth Rate. The Gross Domestic Product is the total dollar amount of all goods and services produced in a country. The GDP is the sum of everything people and companies in an economy produce. The GDP growth rate is the percentage change of GDP over a certain period, usually one year. This is a major measure of economic growth, as it reflects the total change in national output of a country's economy.