ALL meanings of oxaloacetic acid
ox·a·lo·a·ce·tic ac·id
O o - noun oxaloacetic acid a crystalline organic acid, C 4 H 4 O 5 , that is an important intermediate in the Krebs cycle, where it is formed by the oxidation of malic acid and is acetylated to form citric acid: also a product of transamination reactions of aspartic acid. 1