TAG:  dfn
<dfn> ... </dfn>
Available in versions: 3.2, 4.0
Browser compatibility: Explorer 4, 5  Netscape 6
 
The <dfn> tag applies an oblique font style to the enclosed word or phrase. It is common practice in engineering, scientific, and technical articles to specially mark the first occurrence of a term.
 
The closing tag is mandatory.
 
Core Attributes
 
class    dir    id    lang    onclick    ondblclick    onkeydown    onkeypress    onkeyup    onmousedown    onmousemove    onmouseout    onmouseover    onmouseup    style    title
 
Attributes
 
None.
 
Code:
<dfn>HTML</dfn> is the acronym for the Hyper Text Markup Language.
 
Output:
HTML is the acronym for the Hyper Text Markup Language.

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