thesaurus

  1. Noun.  A publication, usually in the form of a book, that provides synonyms (and sometimes antonyms) for the words of a given language.
  2. Noun.  (archaic) A dictionary or encyclopedia.
  3. Noun.  (information science) A hierarchy of subject headings—canonic titles of themes and topics, the titles serving as search keys.

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This entry was last updated on RefTopia from its source on 3/20/2012.