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(kē´werd) (1) In text editing and database management systems, a keyword is an index entry that identifies a specific record or document.

(2) In programming, a keyword is a word that is reserved by a program because the word has a special meaning. Keywords can be commands or parameters. Every programming language has a set of keywords that cannot be used as variable names. Keywords are sometimes called reserved names .

(3) A word used by a search engine in its search for relevant Web pages.

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