Definition of talk time noun from the Oxford Advanced Learner's Dictionary

 

talk time

 noun
noun
BrE BrE//ˈtɔːk taɪm//
 
; NAmE NAmE//ˈtɔːk taɪm//
 
[uncountable] Mobile devices
 
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the amount of time that a mobile/cell phone can be used for calls without needing more power or more payments See related entries: Mobile devices
See the Oxford Advanced American Dictionary entry: talk time