Completely revised from the previous edition. Increased page count More dictionary entries - 61,000 total 13,000 thesaurus entries 3,000 new dictionary terms, such as biscotti, dot.com, gene therapy, home page, no-brainer, portobello mushroom, skybox, surgicenter, veggie Revised design affords greater readability, with use of custom fonts Based on the authoritative Webster's New World College Dictionary, Fourth Edition