<acronym> Tag

HTML <acronym> tag

The <acronym> tag defines the acronym. It is an abbreviation that starts from the initial letter of the word or phrase.

HTML5 does not support this tag so it is better to use the <abbr> tag instead.


ABC – American Broadcasting Company
ISRO – Indian Space Research Organisation
CBSE – Defence Research and Development Organisation
HTML – Hyper Text Markup Language

<abbr title=”expanded form of abbreviation> word/phrase</abbr>

In the example below, when you move your mouse-over  “HTML”, it will display the title as “Hyper Text Markup Language”.


<p>Learn <acronym title="Hyper Text Markup Language"> HTML</acronym> from TutorialBrain</p>

Default CSS Value

display: inline;

How Browser will display


Difference between HTML4.01, XHTML and HTML5

None No difference compared to HTML4 Deprecated in HTML5

Attributes used with this tag


titleTo show the expanded form of the word or phrase when the user mouse-over it.

Even though the ‘title’ attribute can be used with this tag, we advise you not to use this tag.

To use the ‘title’ attribute, it is better to use the <abbr> tag.

Global Attributes

The <acronym> tag supports Global attributes.

Event Attributes

The <acronym> tag supports Event attributes.

Supporting Browsers

supporting-browsers for tags

Related Tags


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