The Collaborative International Dictionary
normal pyrotartaric acid
Glutaric \Glu*tar"ic\, a. [Glutamic + tartaric.] (Chem.) Of, pertaining to, or designating, an acid so called; as, glutaric ethers.
Glutaric acid, an organic acid obtained as a white crystalline substance, isomeric with pyrotartaric acid; -- called also normal pyrotartaric acid.