In current use, incidence usually means "rate of occurrence" and is often qualified in some way ("a high incidence of bear sightings"). Incident usually refers to a particular event, often …

INCIDENCE definition: the rate or range of occurrence or influence of something, especially of something unwanted. See examples of incidence used in a sentence.

INCIDENCE meaning: 1. the rate at which something, especially a disease, happens: 2. the fact of a ray of light…. Learn more.

Incidence should not be confused with prevalence, which is the proportion of cases in the population at a given time rather than rate of occurrence of new cases.

Definition of incidence noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The incidence of something bad, such as a disease, is the frequency with which it occurs, or the occasions when it occurs.

1. the rate or range of occurrence or influence of something.