D defs.my
Entry 1 sense Webster, 1913

Pyrotartaric

· Pyr·o·tar·tar·ic · IPA
01 a. Pertaining to, or designating, an acid obtained as a white crystalline substance by the distillation of tartaric acid.
  1. 1.
    Pertaining to, or designating, an acid obtained as a white crystalline substance by the distillation of tartaric acid.(Chem.)