Vaporise (6)
(Other definitions for distil that I've seen before include "Evaporate, purify" , "Treat substance through heating and cooling to extract an essence - whiskey?" , "Extract the essential meaning of" , "Make (spirits)" , "It slid (anag.)" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">vaporise</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that vaporise can be written as evaporate)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for evaporate that I've seen before include "Go from liquid to vapour" , "Turn into vapour, lose moisture" , "Disappear into thin air" , "Turn liquid to gas" , "vanish" .)