Lab bottle (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lab bottle</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 flask that I've seen before include "Portable drink container" , "Container for liquids" , "Small pocket bottle" , "Glass container" .)
(Other definitions for phial that I've seen before include "Source of medicine" , "Small bottle (containing a drug)" , "Small glass bottle for perfume or medicine" , "Small bottle for potions etc" , "Small flask" .)