Definition of filter out phrasal verb from the Oxford Advanced American Dictionary

 

filter out

 phrasal verb
phrasal verb
 
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Phrasal Verbs

    filter somethingout

     
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  1. 1to remove something that you do not want from a liquid, light, etc. by using a special device or substance to filter out dust particles/light/impurities
  2. 2 to remove someone or something that you do not want from a large number of people or things using a special system, device, etc. The software filters out Internet sites whose content is not suitable for children.
See the Oxford Advanced Learner's Dictionary entry: filter out