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Definition of address book noun from the Oxford Advanced Learner's Dictionary

address book

noun
 
/əˈdres bʊk/
 
/əˈdres bʊk/,
 
/ˈædres bʊk/
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  1. a book in which you keep addresses, phone numbers, etc.
    • Half the names in his address book are crossed out.
  2. a computer file where you store email and internet addressesTopics Phones, email and the internetb2
See address book in the Oxford Advanced American Dictionary
trait
noun
 
 
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