- pu|ri|fy
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–v.t.1. to make pure: »
Filters are used to purify water.
2. to free from whatever is evil: »to purify the heart.
3. to make ceremonially clean: »And the Jews' passover was nigh at hand: and many went out of the country up to Jerusalem before the passover, to purify themselves (John 11:55).
4. to free of objectionable characteristics: »to purify a language.
5. to clear or purge (of or from).–v.i.to become pure.╂[< Old French purifier < Latin pūrificāre < pūrus pure + facere to make]
Useful english dictionary. 2012.