INIS: Thesaurus

The Thesaurus gives the controlled vocabulary to be used by INIS members to index the literature they report to INIS. This authority ensures consistent subject indexing. Revision 38 contains 19 007 accepted terms (descriptors) and 6676 forbidden terms (non-descriptors). The terms are listed alphabetically, and with each entry a 'word block' containing all the terms associated with that particular entry is displayed. A revision of the Thesaurus is issued once a year; cumulative updates are normally issued monthly.