HTML <abbr> element


<abbr> tag declares an abbreviation or acronym. It has an attribute title, which can be used to describe the abbreviation.

<abbr>AIDS</abbr> can be sexually transmitted.
AIDS can be sexually transmitted.

Add a description using "title" attribute. When cursor hovers over the abbreviation, the description will pop up.

<abbr title="Acquired Immune Deficiency Syndrome">AIDS</abbr> 
can be sexually transmitted.
AIDS can be sexually transmitted.


<acronym> tag is similiar to <abbr> tag. It refers to an abbreviation formed with the 1st letter of several words. <acronym> tag is deprecated in HTML5.