Wearing away (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wearing away</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for erosion that I've seen before include "The wearing away by water or weather" , "Gradual decline" , "dying away" , "being eaten away" , "The gradual wearing away by weather" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wearing away</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for eroding that I've seen before include "Gradually wearing away, rock say" , "eating away" , "Wearing away with time" , "chipping away" .)