. A combining form (also used adjectively) used in chemistry to denote the presence of tartar or of some of its compounds or derivatives. [ 1913 Webster ]
a. [ Tartro- + malonic. ] (Chem.) Of, pertaining to, or designating, an organic acid (called also hydroxy malonic acid) obtained, by reducing mesoxalic acid, as a white crystalline substance. [ 1913 Webster ]
n. [ Tartronic + -yl. ] (Chem.) A hypothetical radical constituting the characteristic residue of tartronic acid and certain of its derivatives. [ 1913 Webster ]
a. [ Tartro- + vinic. ] (Chem.) Of, pertaining to, or designating, a certain acid composed of tartaric acid in combination with ethyl, and now called ethyltartaric acid. [ 1913 Webster ]
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