occurrences
occurrences — noun
- occurrencessingular
- occurrencesesplural
1. things that happen, especially ones that are noticeable, unusual, or worth recor
things that happen, especially ones that are noticeable, unusual, or worth recording.
The Watanabe family reported two strange occurrences near their farm last night.
countable noun, usually plural
Sneezing fits and itchy eyes are common occurrences for people with seasonal allergies during spring.
common / rare / everyday + occurrence
Arjun recorded every unusual occurrence during the science experiment in a small notebook.
Daily occurrences like power cuts and water shortages shaped life in the little mountain village.
The festival passed without any major occurrences, to the relief of the organising team.
- non-occurrence
the fact of something not happening
文法句型
occurrence + of + noun phrase
用法筆記
In this sense occurrences is a regular countable noun and refers to specific events. It is often used with adjectives such as common, rare, frequent, strange, or unusual.
常見錯誤
2. the degree to which something is present in a place or situation, or how often i
the degree to which something is present in a place or situation, or how often it appears there.
Doctors are studying the occurrence of heart disease among young adults in the region.
the occurrence of + noun phrase (disease/condition)
The occurrence of typing errors in the report was surprisingly low given the short deadline.
Researchers measured the occurrence of a rare butterfly species across different parts of the forest.
The high occurrence of traffic accidents at the junction led to new lights being installed.
Scientists are studying the rising occurrence of heatwaves across northern Europe over the past decade.
- prevalence
more formal; commonly used in medical or statistical contexts for how widespread something is
- incidence
technical term for the rate or frequency of something, especially in health and science
- frequency
focuses on how often something happens rather than the fact of its existence
- absence
the state of something not existing or being present
文法句型
the occurrence of + noun phrase
high / low / increasing occurrence
用法筆記
In this sense occurrence is uncountable or singular and is always preceded by the. It usually appears with an adjective describing the degree (high, low, increasing, frequent) and is followed by of + the thing being measured. Distinguish from sense 1: here the focus is on quantity or existence of something, not on individual events.