occurrence

/əˈkʌrəns/

an instance or event

The occurrence of rare birds in this area is a delight for ornithologists.

The rare birds appearing in this area is exciting for bird experts.

general

an instance or event that happens

The occurrence of earthquakes in this region is frequent.

Earthquakes happen often in this area.

The occurrence of such a rare phenomenon was documented.

This rare event was recorded.

Often used in formal or scientific contexts to describe events or instances.

statistics

the frequency or rate at which something happens

The occurrence of the disease in the population was analyzed.

The frequency of the disease in the population was studied.

In statistics, it refers to how often something happens.

Collocations

occurrence ofthe happening of somethingrare occurrencesomething that happens very infrequently

very rarely

Use 'occurrence' in formal or scientific writing; in casual speech, 'event' or 'happening' may be more natural.

Use 'occurrence' in singular form for a single event; plural ('occurrences') for multiple instances.

From Middle French 'occurrence' (14th century), from Latin 'occurrere' (to run to meet, happen).

Can be used in both general and technical contexts, often in formal writing.

occur

to happen

root

-ence

the state or condition of

suffix

English Dictionary