Eu*chro"ic (?), a. [Gr. well-colored; well + color.] Chem.

Having a fine color.

Euchroic acid Chem., an organic, imide acid, obtained as a colorless crystalline substance, C12H4N2O8 by heating an ammonium salt of mellitic acid. By reduction it is changed to a dark blue substance (euchrone), -- hence its name.


© Webster 1913.

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