fourth-generation
adjective /ˌfɔːθ dʒenəˈreɪʃn/
/ˌfɔːrθ dʒenəˈreɪʃn/
(abbreviation 4G)
- 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.