What is "pyrocitric"

Pyrocitric \Pyr`o*cit"ric\, a. [Pyro- + citric: cf. F. pyrocitrique.] (Chem.) Pertaining to, or designating, any one of three acids obtained by the distillation of citric acid, and called respectively citraconic, itaconic, and mesaconic acid.

a. (context chemistry English) Describing any of the three unsaturated dicarboxylic acids obtained by the distillation of citric acid.

Pyrocitric is a group of organic chemical compounds pertaining to, or designating, any one of three acids obtained by the distillation of citric acid, and called respectively citraconic, itaconic, and mesaconic acid.