Practical applications (4)
I believe the answer is:
uses
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">practical applications</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for uses that I've seen before include "Employments" , "'Purposes, functions (4)'" , "Employs" , "Takes (drugs)" , "Exercises" .)