American Dictionary

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Definition address book in American English

address book noun

[countable] noun
1

a book with spaces in which you can write people's names, addresses, telephone numbers, etc., usually in alphabetical order

Synonyms and related words
1.1

a piece of computer software that you use to record people's names, addresses, telephone numbers, e-mail addresses, etc.

Synonyms and related words
Definition address book in American English