Carbonated water

<p ><b>Carbonated water</b>&nbsp;(also known as&nbsp;<b>club soda</b>,&nbsp;<b>soda water</b>,&nbsp;<b>sparkling water</b>,&nbsp;<b>seltzer</b>,&nbsp;<b>bubbles aguita</b>&nbsp;or&nbsp;<b>fizzy water</b>) is&nbsp;<a href="http://en.wikipedia.org/wiki/Water" title="Water" >water</a>&nbsp;into which&nbsp;<a href="http://en.wikipedia.org/wiki/Carbon_dioxide" title="Carbon dioxide" >carbon dioxide</a>&nbsp;gas under pressure has been dissolved, a process that causes the water to become&nbsp;<a href="http://en.wikipedia.org/wiki/Effervescence" title="Effervescence" >effervescent</a>.

Carbonated water is the defining ingredient of&nbsp;<a href="http://en.wikipedia.org/wiki/Soft_drink" title="Soft drink" >carbonated soft drinks</a>. The process of dissolving carbon dioxide in water is called<a href="http://en.wikipedia.org/wiki/Carbonation" title="Carbonation" >carbonation</a>.</p>