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See also: key-word and key word


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Alternative forms[edit]


key +‎ word



keyword (plural keywords)

  1. (cryptography) Any word used as the key to a code.
  2. (information science) Any word used in a reference work to link to other words or other information.
  3. (programming) A reserved word used to identify a specific command, function, etc.
    • 1982, Popular Computing (volume 1, issues 9-12, page 113)
      Each function has an entry address which must be quoted after the USR keyword.
    • 2017, Wisnu Anggoro, Learning C++ Functional Programming (page 8)
      Since C++11, the auto keyword is used to tell the compiler to deduce the actual type of a variable that is being declared from its initializer.
  4. (linguistics) Any word that occurs in a text more often than normal.



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See also[edit]


keyword (third-person singular simple present keywords, present participle keywording, simple past and past participle keyworded)

  1. (transitive) To tag with keywords, as for example to facilitate searching.
    • 2008 March 12, Philip Gefter, “Type in ‘Native American’ and Search (Someday) 13 Million Photos”, in New York Times[1]:
      Besides being able to search the photography collections, of which 3,000 images have been scanned in so far, the feature is meant to provide a more subjective and spontaneous way for visitors to view the art: browsing images, looking at them sequentially and keywording, or tagging, them for themselves and other viewers.




keyword m (invariable)

  1. (computing) keyword