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English definition of “proliferate”

proliferate

verb [I] uk   /prəˈlɪf.ər.eɪt/ us    /-ə.reɪt/ formal
to increase a lot and suddenly in number: Small businesses have proliferated in the last ten years.
proliferation
noun [U] uk   /prəˌlɪf.ərˈeɪ.ʃən/ us    /-əˈreɪ-/
The past two years have seen the proliferation of TV channels.
(Definition of proliferate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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