Detailed examination (8)
I believe the answer is:
analysis
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">detailed examination</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for analysis that I've seen before include "Detailed investigation" , "Detailed examination of structure and content" , "Breakdown (for study)" , "A taking apart for examination" , "See 3" .)