Metric mass unit
I think it could be either:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">metric mass unit</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 gram that I've seen before include "Small metric weight" , "Chickpeas; unit of mass" , "Metric unit of mass" , "pulses" , "Metric unit of weight" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">metric mass unit</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 kilo that I've seen before include "Metrical unit of weight" , "possible drugs unit" , "Metric prefix meaning 1,000" , "more than two pounds" , "Measure of weight" .)