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Houghton Mifflin eReference

Description:

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"?

URL: http://www.houghtonmifflinbooks.com/eref/

Hits: 239
Added: Aug 10 2004
Category: Dictionaries Thesauri and Reference

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