Acronyms and abbreviations


The abbr element identifies an acronym or abbreviation in close proximity to its fully spelled-out defining word or phrase.

A browser may display the title attribute as a tooltip when the mouse is positioned over the text.


When an acronym is the target, the title attribute spells out the individual words of the acronym.
When an abbreviation is the target, the title attribute provides the full, unabbreviated word itself.


The <<abbr *title='American Meteorological Society' AMC>> cloud
classification system groups clouds by appearance and process of

Thunderheads <<abbr *title="Cumulonimbus" (Cb)>> can form alone
or in clusters or along a squall line.
The abbr element

semantax > jargon > abbrAcronyms and abbreviations