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HTML <dfn> tag

HTML <dfn> tag also called as HTML definition tag. It is used to represent the term which is defined within context of definition phrase or sentence in an HTML document. The defining instance term usually the first term in a document.

If a term is contained within the <dfn> element then browser understands that nearby text is the definition of the term.


Following are some specifications about the HTML <dfn> tag

Display Inline
Start tag/End tag Both Start and End tag
Usage Textual


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HTML dfn tag

Using title attribute:

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HTML dfn tag


Tag-specific attribute

Attribute Value Description
title It specifies the definition of the term, and it shows when mouse hover on it.

Global attribute

HTML <dfn> tag supports the global attributes in HTML

Event attribute

HTML <dfn> tag supports the event attributes in HTML.

Supporting Browsers

Element chrome browser Chrome ie browser IE firefox browser Firefox opera browser Opera safari browser Safari
<dfn> Yes Yes Yes Yes Yes
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