Incluye guía del diccionario

Preface.--Editorial and Production Staff.--Special Contributors and Consultants.--The Usage Panel.--Usage in The American Heritage Dictionary.--Guide to the Dictionary.--Style Guide.--Abbreviations and Labels Used in This Dictionary.--Pronunciation.--Dictionary of the English Language.--Indo-European Roots Appendix.-- Charts and Tables.

The Fourth Edition includes: 7, 500 new words and meanings, such as frenemy, Iraq war, liveblog, parkour, plutoid, ponzu, shawarma, trans-Neptunian object, and zipline. Informative and up-to-date biographical and geographical entries. More than 300 Usage Notes based on the opinions of our renowned Usage Panel. Hundreds of Synonym, Word History, Regional, and Our Living Language Notes for a deeper appreciation of language and language variation. Revised Appendix of Indo-European Roots tracing English words with very different spellings back to their common ancestors. More than 2,500 photographs, maps, and line drawings that make this the most visually informative dictionary available today.
Free downloadable eReference Suite features: The complete text of The American Heritage Dictionary of the English Language, Fourth Edition, and Roge’s II: The New Thesaurus containing more than 260, 000 synonyms. State-of-the-art audio pronunciations and definitions for all dictionary entries, search by word, phrase, or wildcard, spell-checking capability. Over 1,000 photographs and illustrations. Instant access to dictionary definitions from any Microsoft Office aplication with the click of a button.