Over 60,000 entries - covering business, computer, and scientific terms; colloquial, idiomatic, and current slang expressions; and more. Updated and revised biographical and geographical database - with 1,600 additional entries. Simple alphabetical listing for all entries - including prefixes and suffixes, abbreviations, foreign words and phrases, and biographical and geographical names. Concise, easy-to-understand definitions - many revised to reflect the latest research on usage and meaning. Precise and comprehensive pronunciation key - located on inside of back cover for quick, convenient reference. Updated page design and layout - modern, clear type appeals to the eye and makes for an easier-to-read reference tool. Complete A to Z preparation by the permanent lexicographical staff of "Webster's New World Dictionary" - the word pros who prepared the acclaimed Third College Edition.