Incidence

/ˈɪn.sɪ.dəns/

Meaning & Definition

noun
The occurrence, rate, or frequency of a phenomenon, particularly regarding a particular condition or disease.
The incidence of diabetes has been rising in recent years.
The angle at which a ray of light or other radiation meets a surface.
The incidence of sunlight is crucial for photosynthesis in plants.
The event of something happening, especially in relation to a specific context.
The incidence of crime in the area has decreased significantly this year.

Etymology

Late Middle English: from Latin 'incidens', from 'incidere' meaning 'to fall upon, to happen'.

Common Phrases and Expressions

low incidence
A lower frequency or occurrence of a particular event.
high incidence
A greater frequency or occurrence of a particular event.
incidence rate
The rate at which new cases of a disease occur in a population.

Related Words

incident
An event that occurs, often unexpectedly.
accident
An unintentional event that results in damage or injury.
occurrence
An instance of something happening.