Sounds of time passing (5)
I believe the answer is:
ticks
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sounds of time passing</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 ticks that I've seen before include "Parasitic mites" , "Small arachnids" , "Signs of approval" , "Marks of approval" , "Parasitic arachnids" .)