The yourDictionary Lookup Button works with Microsoft Internet Explorer 5 (or higher) and most Netscape Navigator/Communicator browsers.
(Note: The Lookup Button is not compatible with Macintosh Platform and older IE Browsers)

 

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Once the yourDictionary Lookup Button is in place on your browser's toolbar you can instantly launch yourDictionary searches of any word on any web page you are viewing!
You simply use your mouse to highlight a word, then click the YD Lookup Button.
Your search result pops up automatically!

 

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Look up words with Merriam-Webster Online