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English definition of “expand”

expand

verb [I or T]     /ɪkˈspænd/
B2 to increase in size , number , or importance , or to make something increase in this way: The air in the balloon expands when heated . They expanded their retail operations during the 1980s.Enlarging and inflatingBecoming biggerIncreasing and intensifying
(Definition of expand verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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