American English

Definition of prevention noun from the Oxford Advanced American Dictionary



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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 the Oxford Advanced Learner's Dictionary entry: prevention