1. The fact or rate of occurrence or instances of something, particularly in medical, statistical, or technical contexts
The incidence of the disease has increased in recent years.
A inciência da doença aumentou nos últimos anos.
2. The angle at which a line or ray strikes a surface
The angle of incidence determines how light reflects off the mirror.
O ângulo de inciência determina como a luz se reflete no espelho.
3. The occurrence or influence of something on a particular person or thing
The incidence of poverty in urban areas is concerning.
A inciência da pobreza nas áreas urbanas é preocupante.