| euchroic | <chemistry> Having a fine colour. <chemistry> Euchroic acid, an organic, imide acid, obtained as a colourless 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. Origin: Gr. Well-coloured; well + colour. Source: Websters Dictionary (01 Mar 1998) |
|---|