Geology

Updated regularly. Provides online access to a primary source for terminology in the field of the geosciences. Access to more than 39,000 glossary entries contained in the Fifth Edition of the print Glossary. In addition to the 13,000 updated entries that appeared in the Fifth Edition, more than 1100 changes, deletions and additions have been made to the online version since the publication of the print edition

Searchable using terms, words within terms or definitions, categories and Spanish-language equivalents. Boolean operators (and/or/not) are available for each search field. Search fields may also be combined or may be browsed using a pop-up word wheel.