The thesaurus is endorsed by the International Astronomical Union and has been compiled to try to standarise the terminology in the field of astronomy.
Thesaurus education based on the automatic processing of the Spanish version, 2003.
Instructional Materials Thesaurus for the subjects of Biology of the high school level Spanish education system (17-18 years).
Thesaurus of teaching materials for college and professional level.
UNTERM is a multilingual terminology database which provides United Nations nomenclature, technical or specialized terms and common phrases. The database is mainly intended for use by the language staff of the United Nations to ensure accurate and consistent usage in documents published by the Organization.