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English definition of “amass”

amass

verb [T] uk   /əˈmæs/ us  
to get a large amount of something, especially money or information, by collecting it over a long period: She has amassed a huge fortune from her novels. Some of his colleagues envy the enormous wealth that he has amassed.Collecting and amassing
(Definition of amass from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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