Twisting (7)
I believe the answer is:
torsion
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">twisting</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for torsion that I've seen before include "White-berried parasite" , "Twisted position - no riots (anag)" , "Process of twisting" , "The act of twisting" , "Twisting action" .)