DL-


Meaning of DL- in English

[dl-] prefix 1 also d,l- : consisting of equal amounts of the dextro and levo forms of a specified compound "dl-tartaric acid"

2: consisting of equal amounts of the d- and l- forms of a specified compound "dl-fructose"

Merriam-Webster English vocab.      Английский словарь Merriam Webster.