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Definition of prevention noun from the Oxford Advanced American Dictionary

 

prevention

 noun
noun
NAmE//prɪˈvɛnʃn//
 
[uncountable]
 
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  • the act of stopping something bad from happening accident/crime prevention the prevention of disease a fire prevention officer
    • Idioms
    an ounce of prevention is better than a pound of cure (saying)
     
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    it is better to stop something bad from happening rather than try to deal with the problems after it has happened
    See prevention in the Oxford Advanced Learner's Dictionary
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