Icy detachment (4)
I believe the answer is:
berg
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">icy detachment</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for berg that I've seen before include "ice in the drink" , "Mass of ice floating at sea" , "Large mass of floating ice" , "South African mountain - Austrian composer" , "He composed" .)