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Our best-selling dictionary. With more than 200,000 clear definitions; over 20,000 new words; more than 2,500 illustrations; a style manual; 400 usage notes; regionalisms; an Appendix of Indo-European Roots; and biographical and geographic entries. The CD-ROM includes over 350,000 entries on a single disk. Recorded human voices pronounce each entry. System Requirements: CD-ROM drive with 8-bit sound card (MPC compliant); Windows: 3.1 or higher, 386/25 with 4 MB RAM, 2 MB hard-disk space; Mac: System 6.0.2 or higher, 1 MB RAM (2MB System 7), 500K hard-disk space.

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Library Journal Review

This fourth collegiate edition of The American HeritageR Dictionary (AHD)continues and expands the "Usage Notes" feature, which is made up of brief essays describing common use, critical principles of "best" practice, and reports of the surveyed opinion of the dictionary's group of 200 well-known writers, critics, and scholars. Updates to this lower-priced, reduced-format, black-and-white version include 7500 new words and senses, timely additions to biographical entries (e.g., Donald Rumsfeld), and factual, statistical revisions to entries about U.S. states, cities, and towns. A style guide; an extensive appendix on Indo-European roots; and useful charts and tables on the books of the Bible, calendars, world currencies, geologic time, the planets of the solar system, proofreading marks, the taxonomy of life; and the Periodic Table of the Elements round out the work. A free CD-ROM permits users to download the entire contents of this dictionary (with audio pronunciations) as well as those of the college-level Roget's II: The New Thesaurus, Third Edition. The electronic version of the dictionary is easily accessible from within MS Office applications, which makes it one of the most flexible and comprehensive electronic-language reference packages available. Bottom Line The distinctive aim of the AHD since its 1969 inception has been to provide an authoritative alternative to what some thought was a permissive, descriptive-only trend in major American dictionaries following the 1961 publication of the controversial Webster's Third New International Dictionary. While dictionary making has become less rigidly divided along descriptive/prescriptive lines since the Sixties, the degree of care taken in this edition with the question of usage recommends its purchase. All in all, a useful and economical acquisition for all libraries, large and small. Highly recommended.-Paul D'Alessandro, Portland P.L., ME (c) Copyright 2010. Library Journals LLC, a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.

Booklist Review

This is the second update of the fourth edition of this college dictionary first published in 2002. It and the previous editions are based on the American Heritage Dictionary of the English Language (AHDEL) (4th ed., 2000). Publicity material promises 100 new entries with two on one page WiFi and wiki. Perhaps the real impetus for individual purchase of this dictionary is that it offers a free download of the AHDEL and Roget's II: The New Thesaurus, a $34.95 value, which then will appear as a handy icon on Word documents. Also recommended for all libraries that need a new desk dictionary in print format.--Bulson, Christine Copyright 2008 Booklist

Notas de autor provistas por Syndetics

The Editors of the American Heritage Dictionaries are a team of professional lexicographers with advanced degrees in various scholarly fields. The editors familiarize themselves with the vocabulary in specific subject areas, collect materials on new developments and usage, and work with expert consultants to ensure that our publications are accurate and up-to-date.