Distinctive practice (3)
I believe the answer is:
ism
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">distinctive practice</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 ism that I've seen before include "Belief system" , "Political ideology" , "form of belief?" , "Any doctrine or theory" , "Informal doctrine found in Bismarck" .)