The American Heritage® Dictionary of the English Language,Fourth Edition

This newly updated edition of America’s favorite dictionary features revised biographical and geographical entries as well as up-to-date charts and tables for topics such as world currencies and chemical elements. Among the 500 entries new to this update are Amber Alert, blogosphere, gravitino, halo effect, hawala, lycopene, malware, micropolis, proteome, Qi Gong, SARS, shout-out, speed dating, sudoku, Texas hold’em, text message, and wiki.