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• eReference
eReference

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 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 eReference will generate a list of possible matches. How about then getting a synonym or antonym of "efficacy"? With Houghton Mifflin eReference, you can quickly toggle between the Dictionary and Thesaurus.


eReference is a sophisticated search tool 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 and brilliant color images.

Visit the dedicated eReference.com site!


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