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English definition of “blow (sth) out”

blow (sth) out

phrasal verb with blow     /bləʊ/ US  /bloʊ/ verb (blew, blown)
B1 If a flame blows out or you blow it out, it stops burning when a person or the wind blows on it: After dinner she blew out the candles. The sudden breeze made the candles blow out.Stopping fires
(Definition of blow (sth) out from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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