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Thesaurus (controlled vocabulary)
- See also Thesaurus (book of synonyms)
A list of headings used in a controlled vocabulary system, and their relationships; a lexicon or list of terms and concepts representing the specialized vocabulary of a particular field, which shows synonymous, hierarchical, and other relationships of meaning, and whose function is to provide a standardized controlled vocabulary of descriptors for use in database searching. Examples:
- Thesaurus of ERIC Descriptors
- Thesaurus of Psychological Index Terms
- Thesaurus of Sociological Indexing Terms