prefix 1  also  d,l-  :  consisting of equal amounts of the dextrorotatory and levorotatory forms of a specified compound - usu. printed in italic dl-tartaric acid; - compare RACEMIC   2  :  consisting of equal amounts of the D- and L- forms of a specified compound - usu. printed as small capitals -fructose; - compare RACEMIC  .
 
 
 
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