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English definition of “block sth out”

block sth out

(STOP FROM PASSING) phrasal verb with block     /blɒk/ US  /blɑːk/ verb [T]
to stop light or noise from passing through something: The tree outside the window blocks out the sun.Preventing and impedingLimiting and restricting
(Definition of block sth out (STOP FROM PASSING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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