Chemist's workplace (3)
I believe the answer is:
lab
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">chemist's workplace</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for lab that I've seen before include "Dog" , "retriever" , "Chemist's workroom" , "Experimental facility" , "Research workroom" .)