Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun incidence

2 senses of incidence

Sense 1
incidence, relative incidence -- (the relative frequency of occurrence of something)
       => frequency, relative frequency -- (the ratio of the number of observations in a statistical category to the total number of observations)

Sense 2
incidence -- (the striking of a light beam on a surface; "he measured the angle of incidence of the reflected light")
       => optical phenomenon -- (a physical phenomenon related to or involving light)