phonebook

See also: phone book

English

Alternative forms

Etymology

phone +‎ book

Noun

phonebook (plural phonebooks)

  1. A directory of all the phone numbers used in a district.
    • 2007 June 13, Virginia Heffernan, “Doing the People's Business, in All Its Somnolent Glory”, in New York Times‎:
      One even proposes, in a workaday monotone, that the first hundred people in any Idaho phonebook could do just as well as the legislators at making decisions in the capital.
  2. (by extension, computing) A large lookup table.
    • 2007 July 9, John Markoff, “Fixing Typos by Web Users, Without Raising Hackles”, in New York Times‎:
      He does this by using the Domain Name System, or DNS, which is the phonebook for the Internet.

Hyponyms

Derived terms

Translations
telephone directory — see telephone directory
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