fourth-generation

adjective
🔊/ˌfɔːθ dʒenəˈreɪʃn/
🔊/ˌfɔːrθ dʒenəˈreɪʃn/
(abbreviation 4G)
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  1. used to describe technology that has been developed to send data to mobile phones, etc. at higher speeds than third-generation devices
    • I’ve just upgraded to a fourth-generation phone.我刚刚升级到第四代手机。
    compare third-generation, fifth-generation