<dfn>
Description
This element causes its enclosed text to appear in an italic format, and it is often used to display term definitions. For instance, you can use this element to contain an acronym with its definition.
Example
<html>
<body>
<p>
<acronym>W3C</acronym> stands for
<dfn>World Wide Web Consortium.</dfn>
</p><!-- w w w . j av a 2s. c om-->
</body>
</html>
The code above generates the following result.