Medical Dictionary
Pfiesteria
noun Pfie·ster·ia \fē-ˈstir-ē-ə, fis-ˈtir-\
Medical Definition of PFIESTERIA
: a genus of dinoflagellates including one (Pfiesteria piscicida) found in waters especially along the middle and southern Atlantic coast of the United States that produces a toxin which causes skin lesions in fish, that feeds upon the lesions sometimes causing large fish die-offs, and that may cause symptoms (as skin lesions and memory loss) in humans exposed to the toxin
Seen & Heard
What made you want to look up Pfiesteria? Please tell us where you read or heard it (including the quote, if possible).