Introducing the new eReference with text-to-speech technology - hear the English and Spanish definitions read aloud

voice (vois)
1. a. The sound produced by the vocal organs of a vertebrate, especially a human.
   b. The ability to produce such sounds.

Also included in the new eReference are biographical and geographical updates and new vocabulary.

Exclusive content and powerful online features —
including real voice spoken pronunciations, text-to-speech definitions, full-color images, and more — make eReference
the must-have desktop reference software for your
Windows or Macintosh computer.
Product Tour >

These titles and more are available for separate purchase and easy download to eReference, enabling you to build your own custom reference suite.

		eReference is available in several configurations for both Windows and Macintosh. Buy it now or download a free trial. Free Trial >     Buy Now >

Want to know the meaning of "efficacy" at the same instant you're
reading it on a Web page or in a Microsoft Office application? Houghton Mifflin Harcourt eReference will find the answer after you've simply highlighted the word and clicked on the "A-Z" icon. Want to get the definition of a word but you're not sure of the spelling? Start typing your best guess and Houghton Mifflin Harcourt eReference will generate a list of possible matches. How about then getting a synonym or antonym of "efficacy"? With Houghton Mifflin Harcourt eReference, you can quickly toggle between the Dictionary and
Thesaurus.

eReference is interactive information software that includes the full print-version texts of The American Heritage® Dictionary of the English Language, Fourth Edition, and Roget's II: The New Thesaurus, and more: if you're connected to the Internet, for example, you can get real voice pronunciations, brilliant color images, and text-to-speech audio to hear definitions.

Get our Spanish dictionary stand-alone product! eReferenceEspañol, which includes The American Heritage® Spanish Dictionary: Spanish/English, Ingles/Español, is the perfect resource for everyone who uses, studies, or simply enjoys learning more about these two important languages. Featuring American English and Latin American Spanish, this popular bilingual dictionary is now fully revised and updated. And includes text-to-speech audio to hear Spanish and English definitions read aloud!

eReferenceEspañol is available in several configurations for both Windows and Macintosh. Buy Now >

If you already purchased eReference (before July 2, 2004) and would like the new version with text-to-speech audio, please click below:
Windows
Mac

At WINWITHWORDS.COM you can also download free SAT, ACT and NVC study guides from The Princeton Review.