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Medical Dictionary


noun in·ci·dence \ˈin(t)-səd-ən(t)s, -sə-ˌden(t)s\

Medical Definition of INCIDENCE

a :  angle of incidence b :  the arrival of something (as a ray of light) at a surface
a :  an act or the fact or manner of occurring or affecting <diseases of domestic incidenceScience> b :  rate of occurrence or influence; especially :  the rate of occurrence of new cases of a particular disease in a population being studied—compare prevalence
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