How to represent the defining instance of a term in Html?

Last Updated : 11 Jun, 2020

In this article, we represent the defining instance of a term by using the dfn Element, Generally, the defining instance is the first use of a term in a document. The <dfn> tag requires a starting as well as an ending tag.

Syntax:

<dfn>.....</dfn>

Below examples illustrate the dfn tag in HTML:
Example-1:

<!DOCTYPE html>  
<html>  
    <head>  
        <title>Represent the defining  
               instance of a term 
        </title>  
    </head>  
    <body> 
        <h2>GeeksForGeeks</h2>  
        <h2>HTML5: How to represent the defining 
                instance of a term 
        </h2> 
 <p><dfn>Geeksforgeeks</dfn> is a portal for geeks.</p>  
    </body>  
</html> 

Output

Example-2:

<!DOCTYPE html> 
<html> 
<head> 
  <meta charset="utf-8"> 
  <title>Represent the defining instance of a term</title> 
</head> 
<body> 
<p><dfn>WHO</dfn> stands for World Health Organisation</p>   
</body> 
</html> 