Vocal inflection
I believe the answer is:
tone
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">vocal inflection</span>' is the definition.<br/ ><span class="explanation-format__explanation">(inflection made when speaking)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tone that I've seen before include "Quality of a person's voice" , "Pitch (sound)" , "Bodily firmness" , "Vocal sound of note" , "feel" .)