English

Definition of top-up card noun from the Oxford Advanced Learner's Dictionary

 

top-up card

 noun
noun
BrE BrE//ˈtɒp ʌp kɑːd//
 
; NAmE NAmE//ˈtɑːp ʌp kɑːrd//
 
Mobile devices
 
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a card that you buy for a mobile/cell phone so that you can make more calls to the value of the card See related entries: Mobile devices
See the Oxford Advanced American Dictionary entry: top-up card