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English definition of “proliferate”

proliferate

verb [I]  /prəˈlɪf·əˌreɪt/ us  
to increase greatly in number or amount, usually quickly: Amusement and theme parks are proliferating across the country.
proliferation
noun [U]  /prəˌlɪf·əˈreɪ·ʃən/ us  
The proliferation of cell phones has changed how we communicate.
(Definition of proliferate from the Cambridge Academic Content Dictionary © Cambridge University Press)
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