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English definition of “blow-up”

blow-up

adjective uk   /ˈbləʊ.ʌp/ us    /ˈbloʊ-/
needing to be filled with air in order to be used: a blow-up mattress/pillow

blow-up

noun [C] uk   /ˈbləʊ.ʌp/ us    /ˈbloʊ-/ informal

blow-up noun [C] (ARGUMENT)

a sudden argument: The expected blow-up among the students never happened.

blow-up noun [C] (PHOTOGRAPH)

a photograph, document, or picture that has been made bigger: a five-foot-high blow-up of the magazine's cover
(Definition of blow-up adjective, noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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