\Cro*con"ic\ (kr?-k?n"?k), a. [Gr. ???? saffron.]
1. Of, pertaining to, or resembling saffron; having the color
   of saffron; as, croconic acid.
2. Pertaining to, or derived from, croconic acid.
{Croconic acid} (Chem.), a yellow crystalline substance,
   {C5O3(OH)2}, obtained from potassium carboxide, rhodizonic
   acid, and various phenol and quinone derivatives of
   benzene, and forming yellow or orange colored salts.