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Definition of filter out phrasal verb from the Oxford Advanced Learner's Dictionary

filter out

phrasal verb
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filter something out
  1. to 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
    • The air was improving as the recyclers filtered out the smoke.
  2. to remove somebody/something that you do not want from a large number of people or things using a special system, device, etc.
    • The test is used to filter out candidates who may be unsuitable.
    • The software filters out internet sites whose content is not suitable for children.
See filter out in the Oxford Advanced American Dictionary

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adverb
 
 
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