American Heritage® Dictionary 18.0

*NOTE: there is a newer version of American Heritage(R) Dictionary available on the AppStore. Tap on the "Enfour, Inc." link for AHD5.

The entire 2,074 page, 7.5 pound dictionary with its nearly 300,000 terms -plus 64 thousand recorded sound files by native speakers -all available instantly at your fingertips.

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"In the battle of the Big Three dictionaries, American Heritage(R) stands out on iPhone" (4 mice)
-- MacWorld
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More than 33,000 written examples, totaling 4,222,000 words, makes this largest mobile dictionary on ANY platform
The indexes alone are larger than most brand-name dictionaries. Even without the sound files, AHD would still be the largest dictionary in the AppStore.

Main Features:
? the entire text of this best selling book
? complete front matter and appendices
? three-way cross-referencing search
? real-time progressive look-up
? wildcard pattern searches (with * ?)
? spelling suggestion dictionary included
? internal hyperlinking & supports copy/paste
? pop-up pronunciation symbols chart
? IPA pronunciation symbol conversion
? etymology (word history) with root links
? professionally recorded sound files
? zoomable graphics
? fallback online search for esoteric or archaic words and the latest slang
? unique two-way external application interaction
-- first iPhone dictionary with external linking and now most advanced!
? bookmarks with editable notations
? automatic search history
? an "AI Teacher" for deeper explanations or help for ESL students in 98 languages
? AI boosted anagram generator
? "Today" & LockScreen widgets
? 3D Touch support
? DarkMode support
? Siri support
? iPad multi-screen and Drag & Drop
? iPhone 18 & iOS27 support
? iPhone, iPod, iPad and macOS support
? complete offline use - no Internet connection

The renowned American Heritage(R) Usage Panel, a group of more than 200 distinguished writers, scholars, and scientists, offers advice on problems of grammar and style; engaging notes explain word histories and clarify differences among synonyms; thousands of quotations and example sentences show words in context; and elegant definitions are enhanced by numerous full-color photographs, drawings, and maps, making this one of the most complete reference tool available on any mobile platform.

Reviews for the application:

"As apps go, only Enfour's American Heritage(R) Dictionary stands out for its graphic appeal and functionality. Although I was pleased to have so much lexical firepower in such a compact form, I was annoyed at how poorly the other dictionaries present on the platform." (4 mice)
-- MacWorld

Editor's Choice. ranking = "Great"
-- MacLife

Reviews of the print version:

"The Best Dictionary...Designed to appeal to the eye as well as the mind, it is notable for its imaginative illustrations....This is a great family dictionary, and ideal for schoolrooms."
-- The Courier Journal

"This dictionary, now in its fourth edition, makes it fun to look up definitions of words....This up-to-date and eminently useful dictionary features a fabulous full-color design that quickly and effectively guides users to the information they seek."
-- Library Journal

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The American Heritage(R) Dictionary of the English Language, Fourth Edition published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
[link removed]

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Powered by Enfour's "UniDict(R) Engine 18"

--thesaurus links work with these products:
"Roget's II: New Thesaurus"
"Companion Thesaurus"
"Companion Synonyms"
and many more

License: Commercial