noun.
A scientist (often a medical doctor) who specializes in epidemiology.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a medical scientist who studies the transmission and control of epidemic diseases
Word Usage
"Hayden, a chiropractor and epidemiologist, is the lead author of two papers about exercise and back pain in the current issue of the Annals of Internal Medicine."