Drop of liquid (7)
I believe the answer is:
globule
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">drop of liquid</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 globule that I've seen before include "Drop, round particle" , "A small rounded drop" , "Small ball, of fat say" , "Drop of liquid" .)