TOP

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

top-up card

noun
 
/ˈtɒp ʌp kɑːd/
 
/ˈtɑːp ʌp kɑːrd/
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  1. a card that you buy for a mobile phone so that you can make more calls to the value of the card
See top-up card in the Oxford Advanced American Dictionary
trait
noun
 
 
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