occurrence
Học thuậtThân thiện
Definition
Noun: 1. An instance of something happening; an event or incident. This refers to a single, specific happening or a fact of something taking place. 2. The fact or frequency of something happening. This refers to the existence or rate at which events or instances take place.
Usage
- As a countable noun, it refers to a single event: .
- As an uncountable noun, it refers to the fact or rate of happening: .
Examples
- Countable (Event):
- The power outage was a rare occurrence in the modern city.
- Police documented every occurrence of vandalism in the park.
- Uncountable (Fact/Frequency):
- The occurrence of earthquakes is common in this region.
- This chemical reaction is an event of rare occurrence.
Advanced Usage
- "Of common/frequent/rare occurrence": A formal phrase used to describe how often something happens.
- Mistakes are of common occurrence when learning a new skill.
- In academic or technical writing (e.g., linguistics, computer science), "occurrence" can refer to each instance where a specific word, pattern, or element is found.
- The software counts the occurrence of each keyword in the document.
Variants and Related Words
- Occur (verb): To happen; to exist or be found.
- The meeting will occur next Tuesday.
- Recurrence (noun): The fact of occurring again.
- The doctor sought to prevent a recurrence of the illness.
Synonyms
- Event: Something that happens, especially something important.
- Incident: An event or occurrence, often one that is unusual or problematic.
- Happening: An event or occurrence (can sound more informal).
- Instance: An example or single occurrence of something.
Antonyms
- Nonexistence: The state of not existing or occurring.
- Absence: The state of being away or not present/occurring.
Noun
- an instance of something occurring
- a disease of frequent occurrence
- the occurrence (or presence) of life on other planets
- an event that happens