• (a.) Exhibiting or producing two colors, as substances which in the color test may change red litmus to blue and blue litmus to red.
Am`phi·chro'ic adjective [ Greek 
Type: Term Pronunciation: am′fi-krō′ik Synonyms: amphichromatic
amphichroic 1. Having a double action upon test colors in chemistry. 2. Exhibiting or producing two colors, as substances which in the color test may change red litmus to blue and blue litmus to red.
giving either of two colors, one with acids and one with alkalis.