n. 1. (Physical Geography). a. the inundation of land that is normally dry through the overflowing of a body of water, esp a river. b. the state of a river that is at an abnormally high level (esp in the phrase in flood).
The U.S. Food and Drug Administration (FDA) is an agency of the United States Department of Health and Human Services and is responsible for the safety regulation of most types of foods, dietary supplements, drugs, vaccines, biological medical products, blood products, medical devices, radiation-emitting devices, veterinary products, and cosmetics.
Information on specific drug products, Drugs@FDA. The FDA, an agency within the U.S. Department of Health and Human Services, protects the public health by assuring the safety, effectiveness, and security of human and veterinary drugs, vaccines and other biological products for human use, and medical devices.