Turning (8)
I believe the answer is:
rotation
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">turning</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that rotation is a type of turning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rotation that I've seen before include "Going round" , "Recurring sequence" , "Act of turning" , "Revolutionary movement" , "Turning motion" .)