Croconic

Pronunciation: kr?-k?n"?k
a.

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.