Definition, Meaning & Synonyms
preventer
noun
/prɪˈvɛntər/

Definition
A device or substance that stops something from happening or prevents a certain event from occurring.

Examples
- The fire alarm served as a preventer of disasters, alerting everyone in the building.
- Vaccines are considered preventers of various diseases, helping to keep populations healthy.
- Using a seatbelt is a simple act of using a preventer that can save lives in car accidents.

Meaning
In general terms, a preventer is anything that serves to keep an unwanted occurrence at bay, making sure that it does not take place.

Synonyms
- 阻止者
- 制止者
- 预防者