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English definition of “block out something”

block out something

(STOP RECEIVING) phrasal verb with block    /blɑk/ verb [T]
to prevent the ability to receive or remember something: Some people are able to block out every distraction. You can program the TV, blocking out channels you don't want your children to watch.
(Definition of block out something (STOP RECEIVING) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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