In <a href="/page/chemistry" target="_self">chemistry</a>, <b>reaction extent</b> is short for &ldquo;<a href="/page/extent+of+reaction" target="_self">extent of reaction</a>&rdquo; or the measure of degree of forward progression of a <a href="/page/chemical+reaction" target="_self">chemical reaction</a>.<br><br><div align="center"><div align="center"><div align="center"><div align="center"><div align="center"><div align="center"><div align="center"><div align="center">  <font color="#000000" face="Helvetica, Arial, sans-serif"><div align="center">  <div align="center"><div align="center">  <div align="center"><a href="/page/%CE%B8%E2%88%86ics" target="_self"><img align="bottom" alt="TDics icon ns" height="31" src="http://image.wikifoundry.com/image/1/_zpkwDViWzKHeh3XrOqk3Q8688/GW69H31" title="TDics icon ns" width="69"></a></div></div></div></div></font></div></div></div></div></div></div></div></div>