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English definition of “3G”

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3G

adjective uk   /ˌθriːˈdʒiː/ us  
3G technology is new and improved, and is used in mobile phones on which you can use the internet, watch television, etc. 3G is short for 'third generation': They invested heavily in 3G mobile phone networks.
(Definition of 3G from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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