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The American HeritageŽ Dictionary, Fourth Edition AND Roget's II: The New Thesaurus eReference combines the full-text content of the print editions of The American Heritage® Dictionary, Fourth Edition and Roget's II: The New Thesaurus.

The American Heritage® Dictionary, Fourth Edition

The all-new Fourth Edition of The American Heritage® Dictionary of the English Language offers more information about the language, in a more accessible format, than any other dictionary in its class. And its elegant, inviting design makes it the most handsome reference book on the market.

Over 10,000 new words and senses: From slang and popular culture to the latest medical, high-tech, and scientific terms, the Fourth Edition's vocabulary has been thoroughly updated to reflect our constantly changing language.

Fresh, full-color design: Over 4,000 full-color photographs, drawings, and maps enhance the Fourth Edition's definitions and make browsing irresistible.

Trustworthy usage guidance: The American Heritage® Dictionary has distinguished itself for decades by offering clear and comprehensive usage guidance. Hundreds of new and updated Usage Notes, based on the results of surveys sent to the more than 200 scholars and writers who comprise our Usage Panel, help you make informed decisions about usage questions you face every day.

More in-depth note features than any other dictionary: Word Histories, Synonym Paragraphs, and Regional Notes explore the language in a breadth and depth unequaled by any other dictionary.

All-new Our Living Language Notes: A fascinating new series of Notes illustrates how social factors such as age and ethnicity influence the way our language is shaped by speakers from all walks of life.

Unrivaled biographies and geographies: The American Heritage® Dictionary has long been known for its expansive treatment of biographical and geographical entries. These informative capsule summaries have been thoroughly updated for the Fourth Edition.

Two unique Appendixes: Discover the hidden connections between words in the newly expanded Appendix of Indo-European Roots and in the all-new Appendix of Semitic Roots. The Fourth Edition offers you the most thorough and intriguing view of the history of words to be found in any dictionary.


Roget's II: The New Thesaurus

Roget's II: The New Thesaurus, Third Edition, allows the user to find the right synonym with a minimum of effort. Unlike many thesauruses, this easy-to-use reference lists main entry words alphabetically, as in a dictionary, for quick lookup. Each entry is divided into senses, with brief definitions and a full list of synonyms for each sense, to ensure that the selected usage is the most appropriate one. All special usages, such as slang terms, are labeled and grouped together at the end of each synonym list. Following each list is a cross-reference to a related entry in the thesaurus's unique Category Index. This index leads the reader from the starting word to dozens of others that have related or opposite meanings. All these features make Roget's II the best resource for finding the right word every time.


Text-To-Speech (TTS)

Neospeech

eReference uses Voicetext TM by Neospeech, the leading software solution for generating extremely natural-sounding voice.

As our goal is to add as much technological value to our products as possible, and constantly to improve them, we've added synthesized text-to-speech technology so definitions in The American Heritage® Dictionary, 4th Edition can be heard aloud. Given the immense quantity of words in the Dictionary, we cannot guarantee that all words are pronounced perfectly. The Dictionary's main entry pronunciations should be your authority.

 

 

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