The American Heritage Dictionary of the English Language, forth edition on CD-ROM offers all the features of its print counterpart and more. The fourth edition includes over 10.000 new words and senses, full etymologies, a revised appendix of Indo-European Roos, and all-new Appendix of Seritic Roots. It also includes an expansive note program: over 450 new and revised usage notes, 100 regional notes, and a new feature. our living language notes. The new fourh edition on CD combines the innovations of the print dictionary with the ease and accessbility of an electronic format. special features include: over 1.000 color photographs, illustrations, and maps from the print edition.