Gradual increase (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gradual increase</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for growth that I've seen before include "Process of development" , "Process of enlargement" , "Process of increase" , "Tumour - enlargement" , "Augmentation" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gradual increase</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for build-up that I've seen before include "Gradual increase" , "Preliminaries leading to a climax" .)