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English definition of “knock sth out”

knock sth out

(DESTROY) phrasal verb with knock     /nɒk/ US  /nɑːk/ verb
If something such as a piece of equipment is knocked out by something else, it stops working or is damaged or destroyed: The surge in the power supply knocked out all the computers. Enemy aircraft have knocked out 25 tanks.Destroying and demolishingDamaging and spoiling
(Definition of knock sth out (DESTROY) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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