abbr

I. Description

The abbr element is used to encapsulate an abbreviation in an HTML document. The title attribute holds the full un-abbreviated text associated with the abbreviation. When users hover over the abbreviation element the full un-abbreviated text will be displayed by the web browser to the user.

II. Examples

<!DOCTYPE html>
<html>
    <head>
        <title>Example Page</title>
    </head>
    <body>
        <h1>Example HTML Page</h1>
        <p>
            <abbr title="Hypertext Markup Language">HTML</abbr> is
            an abbreviation for 'Hypertext Markup Language'.
        </p>
    </body>
</html>