Reveal, make visible (6)
I believe the answer is:
expose
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">reveal</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that reveal can be written as expose)</span><br/ ><br/ >'<span class="explanation-format__original">make visible</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(exposing is a kind of making visible)</span><br/ ><br/ ></span>
(Other definitions for expose that I've seen before include "Reveal, uncover" , "Reveal or unmask" , "outing" , "hazard" , "Open to view" .)