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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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