Particular case (8)
I believe the answer is:
instance
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">particular case</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 instance that I've seen before include "A case or example of something" , "Case - isn't acne (anag)" , "Occasion" , "Particular example" , "Example or single occurrence of something" .)