croconic

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CIDE DICTIONARY

croconic, a. [Gr. saffron.].

Of, pertaining to, or resembling saffron; having the color of saffron; as, croconic acid. [1913 Webster]
Pertaining to, or derived from, croconic acid. [1913 Webster]

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.