<acronym> element was used to highlight acronyms before it was deprecated. The
<abbr> tag is used instead. When the tag is used, the acronym will be signified with a dotted underline for the word or phrase.
<p>A great place to learn to code is <acronym title="Codecademy">CC</acronym></p>
title attribute adds meaning of the acronym. It is not required but, when omitted, nothing will happen when it is hovered over.
<p>Tomorrow I'll be heading to the Kennedy Space Center to learn about theNational Aeronautics and Space Administration (NASA). Touring through therockets used in<acronym title="National Aeronautics and Space Administration">NASA</acronym>will be such fun!</p>