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previse
prevision
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preventive

pre·ven·tive [ pri véntiv ]


adjective 
Definition:
 
with purpose of preventing something: used or intended to stop something undesirable from happening or to stop somebody from doing something undesirable
preventive dentistry



noun  (plural pre·ven·tives)
Definition:
 
something that prevents: something that stops something undesirable from happening, especially something that protects against illness
A good preventive against heart disease is a healthy lifestyle.


pre·ven·tive·ly adverb
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