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English definition of “complex”

complex

noun [C] (BUILDING)    /ˈkɒm.pleks/ US  /ˈkɑːm-/
C1 a large building with various connected rooms or a related group of buildings : a shopping / sports and leisure complexUS They live in a large apartment complex.Public buildings
(Definition of complex noun (BUILDING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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